Thomas O'Hagan was born in Belfast and was educated at the Royal Belfast Academical Institution. He was called to the Bar in 1836 and defended Gavan Duffy both in a libel action and when he was tried by the state in 1844. In 1860 he became Solicitor-General and in 1861 Attorney-General, and from 1863 to 1865 he served as member of parliament for Tralee. Within the next seven years he was appointed judge and Lord Chancellor in 1868 and became a peer in 1870 as Lord O'Hagan of Tullyhogue. He published Speeches and Papers and died in London.

Born:	29 May 1812
Died:	1 February 1885