Benjamin was born in abt1843 at Chacewater, Nr. Truro, Cornwall, to parents James Tonkin, a copper and tin miner (1861), and Eleanor Skewes. Brothers John and William were also PM ministers who migrated to the Congregational ministry.
Before entering the ministry Benjamin was a copper and tin miner (1861).
He married Isabella (1844-1921) in late 1869 in the Rochdale Registration District, Lancashire. Isabella was a daughter of Rev. Thomas Jobling. Census returns identify one child.
- Thomas Jobling (1870-1943) – a physician & surgeon (1911)
Benjamin died on 31 May 1916 at Yapton, Sussex.
- 1865 Chippenham
- 1866 Pillowell
- 1867 Bagshot
- 1868 Braintree
- 1869 Maldon
- 1870 London II
- 1872 Peterborough
- 1874 Dunstable
- 1875 disappears
- Paton Congregational College, Nottongham
- 1877 Ridgewell, Essex – Congregational minister
- 1891-1910 Yapton, Sussex
W Leary, Directory of Primitive Methodist Ministers and their Circuits, 1990
Surman Index id: 27372
Census Returns and Births, Marriages & Deaths Registers