Dudley Alexander Sydney Cosby, 1st Baron Sydney ( – 22 January 1774) was an Anglo-Irish politician and diplomat.

Background

Cosby was the son of Pole Cosby, of Stradbally, Queen's County, and Mary, daughter of Henry Dodwell. Dudley Cosby was his grandfather.

Political and diplomatic career

Cosby was elected to the Irish House of Commons as one of two representatives for Carrick in 1763, a seat he held until 1768. In 1763 he was also appointed Minister Resident to Denmark, where he was to assist the aged Envoy Extraordinary, Walter Titley. He arrived in

Copenhagen Copenhagen ( ) is the capital and most populous city of Denmark, with a population of 1.4 million in the Urban area of Copenhagen, urban area. The city is situated on the islands of Zealand and Amager, separated from Malmö, Sweden, by the ...

in February 1764, but returned to Britain already the following year. In 1768 he was elevated to 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 ...

as Lord Sydney, of Leix, Baron Stradbally.

Family

Lord Sydney married Lady Isabella, daughter of Thomas St Lawrence, 1st Earl of Howth and Isabella King, in December 1773. He died in January the following year, when the barony became extinct. Lady Sydney died in October 1836.

References

{{DEFAULTSORT:Sydney, Dudley Cosby, 1st Baron 1730s births 1774 deaths Barons in the Peerage of Ireland Peers of Ireland created by George III Ambassadors of Great Britain to Denmark Members of the Parliament of Ireland (pre-1801) for County Leitrim constituencies Irish MPs 1761–1768