His birth was registered 1st quarter in 1867 at Prescot, LAN, ENG.
Robert Crabbe was the son of
Robert Crabb and
Elizabeth Holmes. His marriage to
Mary J Charles was registered 3rd quarter in 1896 at Dolgellau, MER, WLS.
Robert Crabbe appeared on the census of 1871 at 40 Victoria Buildings, Sutton, LAN, ENG; aged 4.

He was a scholar in 1881. He appeared on the census of 1881 at 17 Church Street, Sutton, LAN; aged 9.

He was a glassworks labourer in 1891. He appeared on the census of 1891 at 32 Mill Street, Windle, LAN, ENG; aged 18.

He appeared on the census of 1901 at Glangwerydd Back, Barmouth, MER, WLS; aged 27.