In 1911 William J Hollow, aged 24, born in Camborne Cornwall, single, was with his parents in Famentina Cottages near Weath Farm, Camborne.
In 1921 William James Hollow, aged 33 years 2 months, born in Camborne, underground electrician, and wife Sarah Annie Hollow, aged 32 years 5 months, born in Gwinear Cornwall, home duties, were living at 25 Dolcoath Avenue, Camborne. With them were children (born in Camborne) Olive Audrey (7y 11m), William Cedric (6), Iris (1y 9m), and Sarah's sister Martha Rodda Johns (26y 11m) of Crowan Cornwall, single, home duties.