Thomas Wintringham was born in Grimsby on 22nd August 1867. Educated at Mill Hill School he became a timber inspector. Wintringham married Margaret Longbottom in 1903.

Wintringham, a member of the Liberal Party, was elected to the House of Commons for the Louth division of Lincolnshire in June 1920.

Thomas Wintringham died on 8th August 1921.