Castlereagh may refer to:
People
*
Marquess of Londonderry
Marquess of Londonderry, of the County of County Londonderry, Londonderry ( ), is a title in the Peerage of Ireland.
History
The title was created in 1816 for Robert Stewart, 1st Marquess of Londonderry, Robert Stewart, 1st Earl of Londonderry ...
, subsidiary title Viscount Castlereagh, used as courtesy title for the Marquess's eldest son; in particular
**
Robert Stewart, Viscount Castlereagh (1769–1822), later 2nd Marquess of Londonderry: Anglo-Irish statesman and British Foreign Secretary.
Places
In Northern Ireland:
*
Castlereagh (borough), a local government district near Belfast
*
Castlereagh (County Down townland) which gives its name to the borough
*
Castlereagh (County Down barony)
Castlereagh (,) is the name of a former Baronies of Ireland, barony in County Down, present-day Northern Ireland. It spanned the north-eastern area of the county bordering the baronies of: Ards (territory), Ards to the east; Belfast (barony), Bel ...
, latterly divided into
**
Castlereagh Upper
Castlereagh Upper (named after the former barony of Castlereagh) is a historic barony in County Down, Northern Ireland. It was created by 1841 with the division of Castlereagh into two. It is bordered by eight other baronies: Castlereagh Lower a ...
and
**
Castlereagh Lower
Castlereagh Lower (named after the former barony of Castlereagh) is a historic barony in County Down, Northern Ireland. It was created by 1841 with the division of Castlereagh into two. The barony roughly matches the former Gaelic territory of '' ...
In the Republic of Ireland:
* County Mayo:
townlands in two baronies:
**
Castlereagh, Clanmorris, Crossboyne parish
**
Castlereagh, Tirawley, Killala parish
*
Castlereagh, County Offaly,
townland in Lemanaghan parish, Garrycastle barony
* County Roscommon:
**
Castlerea, town
**
Castlereagh (County Roscommon barony)
Castlereagh ( ga, An Caisleán Riabhach) is a barony in County Roscommon, Ireland. It is named after the town of Castlerea within the barony. Its area in 1891 was .
It contains five civil parishes: Ballintober, Baslick, Kilkeevin, Kilcorke ...
, around the town
**
Castlereagh (County Roscommon townland) Castlereagh may refer to:
People
* Marquess of Londonderry, subsidiary title Viscount Castlereagh, used as courtesy title for the Marquess's eldest son; in particular
** Robert Stewart, Viscount Castlereagh (1769–1822), later 2nd Marquess of Lo ...
,
townland around the town
*
Castlereagh, County Waterford,
townland in Kilronan parish, Glenahiry barony
In Australia:
*
Castlereagh, New South Wales, a suburb of Sydney
*
Castlereagh River, two rivers
*
Castlereagh Highway, a New South Wales state highway
*
Castlereagh Street, a street in CBD Sydney
Other places:
*
Castlereagh, Nova Scotia
Castlereagh is a community in the Canadian province of Nova Scotia, located in Colchester County. It was either named after Castlereagh in Northern Ireland or Robert Stewart, Viscount Castlereagh
Robert Stewart, 2nd Marquess of Londonderr ...
, a former village on the Bass River in Nova Scotia, Canada
*
Castlereagh Dam and Reservoir, in
Nuwara Eliya district, Sri Lanka
Other uses
*
''The Castlereagh'' (Gilgandra), an early-20th-century newspaper in New South Wales, Australia
{{disambiguation
