Born in 1898, Louis Joseph Conquest was the son of Joseph Oliver Conquest, a carpenter, and his wife Annie (nee Gates).
His parents married 1895 in the Watford district. Joseph died 1922 in Watford aged 53, and was buried 7 October in Vicarage Road Cemetery, Watford; Annie died 1938 in Watford aged 68, and was buried 9 February, also in Vicarage Road Cemetery.
Louis was born 1898 in either Watford or Bushey, Herts, and resided in Watford.
On the 1901 Census, aged 2 he lived in Watford, with his parents and no siblings.
They lived at 22 Oxhey Street (now part of Oxhey Avenue) but by 1911, when Louis and his younger brother Albert were at school, the family had moved to 17, Watford Heath.