In 1901 William H. Jeffrey, aged 14, born in Illogan Cornwall, grocer's assistant,was with his parents in Pendarves St., Camborne.
In 1911 Herbert Jeffree, aged 25, born in Illogan Cornwall, millman in tin mine, and wife of 3 years Gertrude Jeffree, aged 21, born in Camborne Cornwall (mother of 3 children) were living in Water Stile, Camborne. With them were sons Gordon (3), Leonard (2) and Horace (1).
In 1921 William Herbert Jeffree, aged 35 years 2 months, born in Pool, Illogan, Cornwall, millman tin mines (unemployed), and wife Gertrude Jeffree, aged 30 years 6 months, born in Camborne Cornwall, were living in Water Style, Church View, Camborne, Cornwall. With them were children (born in Camborne) Gordon (13y 7m), Leonard (12y 5m), Horace (11y 4m), Gwendoline (9y 5m), Reginald (7y 2m), and Leslie (11m).
In the 1939 Register William H Jefferee (b. 2 Apr 1886), deck labourer, and wife Gertrude D Jefferee (b. 10 Dec 1890), unpaid domestic duties, were living at 43 Treloweth Road, Pool, Cornwall. At the same address were (children, single) Gertrude G. (b. 21 Dec 1911), unpaid domestic duties, Rose (b. 18 Dec 1923), and three records officially closed.