Thomas Gavan-Duffy (25 September 1867 – 4 August 1932)[1] was an Irish trade unionist and politician. He served as the Member of Parliament (MP) for Whitehaven from 1922 to 1924.
Born in Dublin, Gavan-Duffy was educated by the Christian Brothers there and became a district delegate for the Shop Assistants' Union. For 23 years he was general secretary of the Cumberland Iron Ore Miners' Association.[2]
He unsuccessfully contested the Whitehaven constituency in 1918, won it in 1922, and lost it again in 1924.[2][3]