Education
Doig was educated at Blackness School, Dundee before taking evening classes.
Doig was educated at Blackness School, Dundee before taking evening classes.
He later became a sales supervisor. He joined the Labour Party in 1930. During the Second World War he served in the Royal Air Force.
He was elected a Dundee town councillor for ten years, serving as honorary town treasurer.
Doig contested Aberdeen South in 1959. On 22 September 1963, Doig was chosen ahead of five other people to be the Labour Party candidate in the by-election.
At the time he was a bakery supervisor and chairman of the Labour group on Dundee Town Council. He was also deputy chairman of the council.
42nd United Kingdom Parliament. 43rd United Kingdom Parliament. 44th United Kingdom Parliament.
45th United Kingdom Parliament.
46th United Kingdom Parliament. 47th United Kingdom Parliament]
He was Member of Parliament for Dundee West from a 1963 by-election to 1979, preceding Ernie Ross.
In 1966 Doig was recorded as a member of the Transport and General Workers Union and the Company-operative Society.