Born in Oldham, Lancashire, Winterbottom served in the Royal Navy during World War I. He became an area organiser for a predecessor of the Union of Shop, Distributive and Allied Workers in 1931, then the national organiser in 1944. Winterbottom remained in Parliament until his death in 1968.
39th United Kingdom Parliament. 40th United Kingdom Parliament. 41st United Kingdom Parliament.
42nd United Kingdom Parliament.
43rd United Kingdom Parliament. 44th United Kingdom Parliament]
In 1950, he was elected Member of Parliament for Sheffield Brightside, serving for his first year as Parliamentary Private Secretary to Ness Edwards.
