Details of Fred's birth are not known.

Fred married Hilda Beatrice Phillips in 1929 in Birmingham, Warwickshire.

He had the following children from his marriage to Hilda Beatrice Phillips:

- Noel Adcock	born in 1930 in Birmingham, Warwickshire.
- John Adcock	born in 1932 in Birmingham, Warwickshire.
- Brian Adcock	born in 1937 in Birmingham, Warwickshire.

Details of Fred's occupation are not known.