Details of Percy's birth are not known.

Percy married Selina Perrott around 1950 in the Llanelly Registration District (Mar. quarter).

He had the following children from his marriage to Selina Perrott:

- Raymond Lloyd	born in 1951 in Llanelly, Carmarthenshire, Wales.
- Philip R. Lloyd	born in 1953 in Llanelly, Carmarthenshire, Wales.

Details of Percy's occupation are not known.