Details of Howson's birth are not known.

Howson married Elisabeth Carola Fairholme in 1939 in the Chelsea Registration District (Sep Quarter).

He had the following children from his marriage to Elisabeth Carola Fairholme:

- Richard Howson Devitt	born in 1940 at the Sevenoaks Registration District (Sep Quarter).
- Carola Waveney Devitt	born in 1942.

Details of Howson's occupation are not known.

He had an O.B.E.

Notes - Sources of information:

1.	Marriage information supplied by Waveney Jenkins (nee Fairholme).