Leonard Keay Topham is the son of Henry (Harry) Topham and May Keay.

Leonard was born in 1914 in the Rochdale Registration District, Lancashire.

Leonard married Mary Alice Hutchinson in 1934 in the Rochdale Registration District, Lancashire (Jun. quarter).

He had the following children from his marriage to Mary Alice Hutchinson:

- Betty Topham	born around 1934 in the Rochdale Registration District, Lancashire.
- Joan Topham	born around 1936 in the Littleborough Registration District, Lancashire.

Details of Leonard's occupation are not known.