Acts Of Union, 1800
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The Acts of Union 1800 were parallel acts of the
Parliament of Great Britain The Parliament of Great Britain was formed in May 1707 following the ratification of the Acts of Union 1707, Acts of Union by both the Parliament of England and the Parliament of Scotland. The Acts ratified the treaty of Union which created a ...
and the
Parliament of Ireland The Parliament of Ireland () was the legislature of the Lordship of Ireland, and later the Kingdom of Ireland, from 1297 until the end of 1800. It was modelled on the Parliament of England and from 1537 comprised two chambers: the Irish Hou ...
which united the
Kingdom of Great Britain Great Britain, also known as the Kingdom of Great Britain, was a sovereign state in Western Europe from 1707 to the end of 1800. The state was created by the 1706 Treaty of Union and ratified by the Acts of Union 1707, which united the Kingd ...
and the
Kingdom of Ireland The Kingdom of Ireland (; , ) was a dependent territory of Kingdom of England, England and then of Kingdom of Great Britain, Great Britain from 1542 to the end of 1800. It was ruled by the monarchs of England and then List of British monarchs ...
(previously in
personal union A personal union is a combination of two or more monarchical states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, involves the constituent states being to some extent in ...
) to create the
United Kingdom of Great Britain and Ireland The United Kingdom of Great Britain and Ireland was the union of the Kingdom of Great Britain and the Kingdom of Ireland into one sovereign state, established by the Acts of Union 1800, Acts of Union in 1801. It continued in this form until ...
. The acts
came into force In law, coming into force or entry into force (also called commencement) is the process by which legislation, regulations, treaties and other legal instruments come to have legal force and effect. The term is closely related to the date of this ...
between 31 December 1800 and 1 January 1801, and the merged
Parliament of the United Kingdom The Parliament of the United Kingdom of Great Britain and Northern Ireland is the supreme legislative body of the United Kingdom, and may also legislate for the Crown Dependencies and the British Overseas Territories. It meets at the Palace ...
had its first meeting on 22 January 1801. Provisions of the acts remain in force, with amendments and some Articles repealed, in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
, but they have been repealed in their entirety in the
Republic of Ireland Ireland ( ), also known as the Republic of Ireland (), is a country in Northwestern Europe, north-western Europe consisting of 26 of the 32 Counties of Ireland, counties of the island of Ireland, with a population of about 5.4 million. ...
.


Name

Two acts were passed in 1800 with the same
long title In certain jurisdictions, including the United Kingdom and other Westminster-influenced jurisdictions (such as Canada or Australia), as well as the United States and the Philippines, primary legislation has both a short title and a long title. The ...
: ''An Act for the Union of Great Britain and Ireland''. The
short title In certain jurisdictions, including the United Kingdom and other Westminster system, Westminster-influenced jurisdictions (such as Canada or Australia), as well as the United States and the Philippines, primary legislation has both a short title an ...
of the act of the British Parliament is Union with Ireland Act 1800 ( 39 & 40 Geo. 3. c. 67), assigned by the
Short Titles Act 1896 The Short Titles Act 1896 (59 & 60 Vict. c. 14) is an Acts of Parliament in the United Kingdom, act of the Parliament of the United Kingdom. It replaces the Short Titles Act 1892 (55 & 56 Vict. c. 10). This act was retained for the Republic of I ...
. The short title of the act of the Irish Parliament is Act of Union (Ireland) 1800 (40 Geo. 3. c. 38 (I)), assigned by a 1951 act of the
Parliament of Northern Ireland The Parliament of Northern Ireland was the home rule legislature of Northern Ireland, created under the Government of Ireland Act 1920, which sat from 7 June 1921 to 30 March 1972, when it was suspended because of its inability to restore ord ...
, and hence not effective in the Republic of Ireland, where it was referred to by its long title when repealed in 1962.


Background

Before these acts, Ireland had been in
personal union A personal union is a combination of two or more monarchical states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, involves the constituent states being to some extent in ...
with England since 1542, when the Irish Parliament had passed the
Crown of Ireland Act 1542 The Crown of Ireland Act 1542 (33 Hen. 8. c. 1 (I)) is an Act that was passed by the Parliament of Ireland on 18 June 1542, which created the title of "King of Ireland" for monarchs of England and their successors; previous monarchs had rul ...
, proclaiming King
Henry VIII Henry VIII (28 June 149128 January 1547) was King of England from 22 April 1509 until his death in 1547. Henry is known for his Wives of Henry VIII, six marriages and his efforts to have his first marriage (to Catherine of Aragon) annulled. ...
of England to be
King of Ireland Monarchical systems of government have existed in Ireland from ancient times. This continued in all of Ireland until 1949, when the Republic of Ireland Act removed most of Ireland's residual ties to the British monarch. Northern Ireland, as p ...
. Since the 12th century, the King of England had been technical overlord of the
Lordship of Ireland The Lordship of Ireland (), sometimes referred to retrospectively as Anglo-Norman Ireland, was the part of Ireland ruled by the King of England (styled as "Lord of Ireland") and controlled by loyal Anglo-Norman Lords between 1177 and 1542. T ...
, a papal possession. Both the Kingdoms of Ireland and England later came into personal union with that of
Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
upon the
Union of the Crowns The Union of the Crowns (; ) was the accession of James VI of Scotland to the throne of the Kingdom of England as James I and the practical unification of some functions (such as overseas diplomacy) of the two separate realms under a single ...
in 1603. In 1707, the
Kingdom of England The Kingdom of England was a sovereign state on the island of Great Britain from the late 9th century, when it was unified from various Heptarchy, Anglo-Saxon kingdoms, until 1 May 1707, when it united with Kingdom of Scotland, Scotland to f ...
and the Kingdom of Scotland were united into a single kingdom: the
Kingdom of Great Britain Great Britain, also known as the Kingdom of Great Britain, was a sovereign state in Western Europe from 1707 to the end of 1800. The state was created by the 1706 Treaty of Union and ratified by the Acts of Union 1707, which united the Kingd ...
. Upon that union, each House of the
Parliament of Ireland The Parliament of Ireland () was the legislature of the Lordship of Ireland, and later the Kingdom of Ireland, from 1297 until the end of 1800. It was modelled on the Parliament of England and from 1537 comprised two chambers: the Irish Hou ...
passed a congratulatory address to Queen Anne, praying her: "May God put it in your royal heart to add greater strength and lustre to your crown, by a still more comprehensive Union". The Irish Parliament was both before then subject to certain restrictions that made it subordinate to the
Parliament of England The Parliament of England was the legislature of the Kingdom of England from the 13th century until 1707 when it was replaced by the Parliament of Great Britain. Parliament evolved from the Great Council of England, great council of Lords Spi ...
and after then, to the
Parliament of Great Britain The Parliament of Great Britain was formed in May 1707 following the ratification of the Acts of Union 1707, Acts of Union by both the Parliament of England and the Parliament of Scotland. The Acts ratified the treaty of Union which created a ...
; however, Ireland gained effective legislative independence from Great Britain through the
Constitution of 1782 The Constitution of 1782 was a group of Acts passed by the Parliament of Ireland and the Parliament of Great Britain in 1782–83 which increased the legislative and judicial independence of the Kingdom of Ireland by reducing the ability of t ...
. By this time access to institutional power in Ireland was restricted to a small minority: the
Anglo-Irish Anglo-Irish people () denotes an ethnic, social and religious grouping who are mostly the descendants and successors of the English Protestant Ascendancy in Ireland. They mostly belong to the Anglican Church of Ireland, which was the State rel ...
of the
Protestant Ascendancy The Protestant Ascendancy (also known as the Ascendancy) was the sociopolitical and economical domination of Ireland between the 17th and early 20th centuries by a small Anglicanism, Anglican ruling class, whose members consisted of landowners, ...
. Frustration at the lack of reform among the Catholic majority eventually led, along with other reasons, to a rebellion in 1798, involving a French invasion of Ireland and the seeking of complete independence from Great Britain. This rebellion was crushed with much bloodshed, and the motion for union was motivated at least in part by the belief that the union would alleviate the political rancour that led to the rebellion. The rebellion was felt to have been exacerbated as much by brutally reactionary loyalists as by
United Irishmen The Society of United Irishmen was a sworn association, formed in the wake of the French Revolution, to secure Representative democracy, representative government in Ireland. Despairing of constitutional reform, and in defiance both of British ...
(anti-unionists). Furthermore, Catholic emancipation was being discussed in Great Britain, and fears that a newly enfranchised Catholic majority would drastically change the character of the Irish government and parliament also contributed to a desire from London to merge the Parliaments. According to historian James Stafford, an Enlightenment critique of Empire in Ireland laid the intellectual foundations for the Acts of Union. He writes that Enlightenment thinkers connected "the exclusion of the Irish Kingdom from free participation in imperial and European trade with the exclusion of its Catholic subjects, under the terms of the 'Penal Laws', from the benefits of property and political representation." These critiques were used to justify a parliamentary union between Britain and Ireland.


Passage

Complementary acts were enacted by the Parliament of Great Britain and the Parliament of Ireland. The Parliament of Ireland had recently gained a large measure of legislative independence under the
Constitution of 1782 The Constitution of 1782 was a group of Acts passed by the Parliament of Ireland and the Parliament of Great Britain in 1782–83 which increased the legislative and judicial independence of the Kingdom of Ireland by reducing the ability of t ...
. Many members of the Irish Parliament jealously guarded that autonomy (notably
Henry Grattan Henry Grattan (3 July 1746 – 4 June 1820) was an Irish politician and lawyer who campaigned for legislative freedom for the Irish Parliament in the late 18th century from Britain. He was a Member of the Irish Parliament (MP) from 1775 to 18 ...
), and a motion for union was legally rejected in 1799. Only
Anglicans Anglicanism, also known as Episcopalianism in some countries, is a Western Christianity, Western Christian tradition which developed from the practices, liturgy, and identity of the Church of England following the English Reformation, in the ...
were permitted to become members of the Parliament of Ireland though the great majority of the Irish population were
Roman Catholic The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
, with many
Presbyterians Presbyterianism is a historically Reformed Protestant tradition named for its form of church government by representative assemblies of elders, known as "presbyters". Though other Reformed churches are structurally similar, the word ''Pr ...
in
Ulster Ulster (; or ; or ''Ulster'') is one of the four traditional or historic provinces of Ireland, Irish provinces. It is made up of nine Counties of Ireland, counties: six of these constitute Northern Ireland (a part of the United Kingdom); t ...
. Under the Roman Catholic Relief Act 1793, Roman Catholics regained the right to vote if they owned or rented property worth £2 annually. Wealthy Catholics were strongly in favour of union in the hope for rapid religious emancipation and the right to sit as MPs, which would only come to pass under the
Roman Catholic Relief Act 1829 The Roman Catholic Relief Act 1829 ( 10 Geo. 4. c. 7), also known as the Catholic Emancipation Act 1829, was an act of the Parliament of the United Kingdom that removed the sacramental tests that barred Roman Catholics in the United Kingdom f ...
. From the perspective of Great Britain's elites, the union was desirable because of the uncertainty that followed the French Revolution of 1789 and the
Irish Rebellion of 1798 The Irish Rebellion of 1798 (; Ulster Scots dialect, Ulster-Scots: ''The Turn out'', ''The Hurries'', 1798 Rebellion) was a popular insurrection against the British Crown in what was then the separate, but subordinate, Kingdom of Ireland. The m ...
. If Ireland adopted Catholic emancipation willingly or not, a Roman Catholic Parliament could break away from Britain and ally with the French, but the same measure within the United Kingdom would exclude that possibility. Also, in creating a regency during King
George III George III (George William Frederick; 4 June 173829 January 1820) was King of Great Britain and King of Ireland, Ireland from 25 October 1760 until his death in 1820. The Acts of Union 1800 unified Kingdom of Great Britain, Great Britain and ...
's "madness", the Irish and British Parliaments gave the Prince Regent different powers. These considerations led Great Britain to decide to attempt the merger of both kingdoms and Parliaments. The final passage of the Act in the
Irish House of Commons The Irish House of Commons was the lower house of the Parliament of Ireland that existed from 1297 until the end of 1800. The upper house was the Irish House of Lords, House of Lords. The membership of the House of Commons was directly elected, ...
turned on an about 16% relative majority, garnering 58% of the votes, and similar in the
Irish House of Lords The Irish House of Lords was the upper house of the Parliament of Ireland that existed from medieval times until the end of 1800. It was also the final court of appeal of the Kingdom of Ireland. It was modelled on the House of Lords of Englan ...
, in part per contemporary accounts through bribery with the awarding of
peerage A peerage is a legal system historically comprising various hereditary titles (and sometimes Life peer, non-hereditary titles) in a number of countries, and composed of assorted Imperial, royal and noble ranks, noble ranks. Peerages include: A ...
s and
honour Honour (Commonwealth English) or honor (American English; American and British English spelling differences#-our, -or, see spelling differences) is a quality of a person that is of both social teaching and personal ethos, that manifests itself ...
s to critics to get votes. The first attempt had been defeated in the Irish House of Commons by 109 votes to 104, but the second vote in 1800 passed by 158 to 115.


Provisions

The Acts of Union were two complementary Acts, namely: * The Union with Ireland Act 1800 (39 & 40 Geo. 3 c. 67), an Act of the
Parliament of Great Britain The Parliament of Great Britain was formed in May 1707 following the ratification of the Acts of Union 1707, Acts of Union by both the Parliament of England and the Parliament of Scotland. The Acts ratified the treaty of Union which created a ...
, and * The Act of Union (Ireland) 1800 (40 Geo. 3 c. 38), an Act of the
Parliament of Ireland The Parliament of Ireland () was the legislature of the Lordship of Ireland, and later the Kingdom of Ireland, from 1297 until the end of 1800. It was modelled on the Parliament of England and from 1537 comprised two chambers: the Irish Hou ...
. They were passed on 2 July 1800 and 1 August 1800 respectively, and came into force on 1 January 1801. They ratified eight articles which had been previously agreed by the British and Irish parliaments: * Articles I–IV dealt with the political aspects of the Union. It created a united parliament. ** In the House of Lords, the existing members of the Parliament of Great Britain were joined by, as
Lords Spiritual The Lords Spiritual are the bishops of the Church of England who sit in the House of Lords of the United Kingdom. Up to 26 of the 42 diocesan bishops and archbishops of the Church of England serve as Lords Spiritual (not including retired bish ...
, four bishops of the
Church of Ireland The Church of Ireland (, ; , ) is a Christian church in Ireland, and an autonomy, autonomous province of the Anglican Communion. It is organised on an all-Ireland basis and is the Christianity in Ireland, second-largest Christian church on the ...
, rotating among the dioceses in each session and as
Lords Temporal The Lords Temporal are secular members of the House of Lords, the upper house of the British Parliament. These can be either life peers or hereditary peers, although the hereditary right to sit in the House of Lords was abolished for all but n ...
28 Irish representative peer elected for life by the
Peerage of Ireland The peerage of Ireland consists of those Peerage, titles of nobility created by the English monarchs in their capacity as Lordship of Ireland, Lord or Monarchy of Ireland, King of Ireland, or later by monarchs of the United Kingdom of Great B ...
. ** The House of Commons was to include the pre-union representation from Great Britain and 100 members from Ireland. :: * Article V united the established
Church of England The Church of England (C of E) is the State religion#State churches, established List of Christian denominations, Christian church in England and the Crown Dependencies. It is the mother church of the Anglicanism, Anglican Christian tradition, ...
and Church of Ireland into "one Protestant Episcopal Church, to be called, The United Church of England and Ireland"; but also confirmed the independence of the
Church of Scotland The Church of Scotland (CoS; ; ) is a Presbyterian denomination of Christianity that holds the status of the national church in Scotland. It is one of the country's largest, having 245,000 members in 2024 and 259,200 members in 2023. While mem ...
. * Article VI created a
customs union A customs union is generally defined as a type of trade bloc which is composed of a free trade area with a common external tariff.GATTArticle 24 s. 8 (a) Customs unions are established through trade pacts where the participant countries set u ...
, with the exception that customs duties on certain British and Irish goods passing between the two countries would remain for 10 years (a consequence of having trade depressed by the ongoing war with revolutionary France). The High Court of Northern Ireland ruled that parts of this Article as it applied to the UK were " impliedly repealed" by the passage of the European Union (Withdrawal) Act 2020. This decision was upheld on appeal by the
Supreme Court of the United Kingdom The Supreme Court of the United Kingdom (initialism: UKSC) is the final court of appeal for all civil cases in the United Kingdom and all criminal cases originating in England, Wales and Northern Ireland, as well as some limited criminal cases ...
. * Article VII stated that Ireland would have to contribute two-seventeenths towards the expenditure of the United Kingdom. The figure was a ratio of Irish to British foreign trade. * Article VIII formalised the legal and judicial aspects of the Union. Part of the appeal of the Union for many Irish Catholics was the promise of Catholic emancipation, allowing
Roman Catholic The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
MPs, who had not been permitted to sit in the Irish Parliament, to sit in the United Kingdom Parliament. This was however blocked by King
George III George III (George William Frederick; 4 June 173829 January 1820) was King of Great Britain and King of Ireland, Ireland from 25 October 1760 until his death in 1820. The Acts of Union 1800 unified Kingdom of Great Britain, Great Britain and ...
who argued that emancipating Roman Catholics would breach his Coronation Oath, and was not realised until the
Roman Catholic Relief Act 1829 The Roman Catholic Relief Act 1829 ( 10 Geo. 4. c. 7), also known as the Catholic Emancipation Act 1829, was an act of the Parliament of the United Kingdom that removed the sacramental tests that barred Roman Catholics in the United Kingdom f ...
. The traditionally separate
Irish Army The Irish Army () is the land component of the Defence Forces (Ireland), Defence Forces of Republic of Ireland, Ireland.The Defence Forces are made up of the Permanent Defence Forces – the standing branches – and the Reserve Defence Forces. ...
, which had been funded by the Irish Parliament, was merged into the larger
British Army The British Army is the principal Army, land warfare force of the United Kingdom. the British Army comprises 73,847 regular full-time personnel, 4,127 Brigade of Gurkhas, Gurkhas, 25,742 Army Reserve (United Kingdom), volunteer reserve perso ...
.


The first parliament

In the first Parliament of the United Kingdom of Great Britain and Ireland, the members of the House of Commons were not elected afresh. By royal proclamation authorised by the Act, all the members of the last House of Commons from Great Britain took seats in the new House, and from Ireland 100 members were chosen from the last Irish House of Commons: two members from each of the 32 counties and the two largest boroughs, and one from each of the next 31 largest boroughs and from
Dublin University The University of Dublin (), corporately named as The Chancellor, Doctors and Masters of the University of Dublin, is a research university located in Dublin, Republic of Ireland. It is the degree-awarding body for Trinity College Dublin, whi ...
, chosen by lot. The other 84 Irish parliamentary boroughs were disfranchised; all were
pocket borough A rotten or pocket borough, also known as a nomination borough or proprietorial borough, was a parliamentary borough or constituency in England, Great Britain, or the United Kingdom before the Reform Act of 1832, which had a very small electo ...
s, whose patrons received £15,000 compensation for the loss of what was considered their property.


Flags and styles

The Union Flag, created as a consequence of the union of the Kingdom of Great Britain and Ireland in 1800, still remains the
flag of the United Kingdom The national flag of the United Kingdom is the Union Jack, also known as the Union Flag. The design of the Union Jack dates back to the Act of Union 1801, which united the Kingdom of Great Britain and the Kingdom of Ireland (previously in pe ...
. Called the Union Jack, it combined the flags of
St George's Cross In heraldry, Saint George's Cross (or the Cross of Saint George) is a red cross on a white background, which from the Late Middle Ages became associated with Saint George, the military saint, often depicted as a crusader. Associated with ...
(which was deemed to include
Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...
) and the St Andrew's Saltire of Scotland with the
St Patrick's Saltire Saint Patrick's Saltire or Saint Patrick's Cross is a red saltire (X-shaped cross) on a white field. In heraldry, heraldic language, it may be blazoned ''argent, a saltire gules''. Saint Patrick's Flag () is a flag composed of Saint Patrick's S ...
to represent Ireland. At the same time, a new Royal Title was adopted ('GEORGE the THIRD by the Grace of God of the United Kingdom of Great Britain and Ireland King, Defender of the Faith'), and a new shield of arms.''The London Gazette'', issue 15325; 3 January 1801
, pp. 23–24 In adopting these, the moribund
English claims to the French throne From 1340, English monarchs, beginning with the Plantagenet king Edward III, claimed to be the rightful kings of France and fought the Hundred Years' War, in part, to enforce their claim. Every English and, later, British monarch from Edward t ...
were not continued: the title 'King of France' was abandoned and the
fleur-de-lis The ''fleur-de-lis'', also spelled ''fleur-de-lys'' (plural ''fleurs-de-lis'' or ''fleurs-de-lys''), is a common heraldic charge in the (stylized) shape of a lily (in French, and mean and respectively). Most notably, the ''fleur-de-lis'' ...
were removed from the
Royal Standard of the United Kingdom The royal standard of the United Kingdom is the banner of arms of the monarch of the United Kingdom, currently Charles III. It consists of the monarch's coat of arms in flag form, and is made up of four quarters containing the arms of the forme ...
for the first time since the Middle Ages.


Sources and citations


Sources

;Primary:
Acts of Union – complete original text
* * * ;Secondary: * *


Citations


Further reading

* * *


External links


Act of Union Virtual Library
from
Queen's University Belfast The Queen's University of Belfast, commonly known as Queen's University Belfast (; abbreviated Queen's or QUB), is a public research university in Belfast, Northern Ireland, United Kingdom. The university received its charter in 1845 as part of ...

Ireland – History – The Union,1800/Ireland – Politics and government – 19th century
index of documents digitised by Enhanced British Parliamentary Papers on Ireland
Digital Reproduction of the Original Act (39&40 Geo. 3 c. 67) on the Parliamentary Archives catalogue
{{DEFAULTSORT:Act of Union (1800) Union 1800 in British law 1800 in Ireland Unionism in the United Kingdom Irish laws British constitutional laws concerning Ireland Union Union Repealed Irish legislation Unionism in Ireland Law about religion in the United Kingdom National unifications Ireland and the Commonwealth of Nations United Kingdom and the Commonwealth of Nations