William St Lawrence, 4th Earl of Howth

William St Lawrence
William St Lawrence as Viscount St Lawrence, 1860s photograph
Member of Parliament for Galway Borough
In office
1868-1874
High Sheriff of County Dublin
In office
1854
Personal details
Born(1827-06-25)25 June 1827
Died9 March 1909(1909-03-09) (aged 81)
Bournemouth, England
Political partyLiberal
Parent
RelativesJohn de Burgh (grandfather)
Military career
RankCaptain
Unit7th Queen's Own Hussars

William Ulick Tristram St Lawrence, 4th Earl of Howth KP (25 June 1827 – 9 March 1909) was an Irish peer, styled Viscount St Lawrence until 1874. He became Earl of Howth in 1874 on the death of his father, Thomas St Lawrence, 3rd Earl of Howth, and was appointed a Knight of the Order of St Patrick on 8 May 1884. His mother was Thomas's first wife Lady Emily de Burgh, daughter of John de Burgh, 13th Earl of Clanricarde.