It was created by the division of the Diocese of Exeter in 1876 approximately along the Devon-Cornwall border (a few parishes of Devon west of the Tamar were included in the new diocese).
Bazeley’s later projects included the modernisation of the Seaton Barracks in Plymouth, offices for the ECL group in St Austell, and the new See House for the Bishop of Truro.
The name was probably derived from the village of Riseholme, near Lincoln, of whose Church of England cathedral, Benson's father, Edward White Benson, was Chancellor before becoming Bishop of Truro in 1877.
Bishop | bishop | Bishop (Catholic Church) | Bishop of Winchester | Bishop of London | titular bishop | Bishop of Durham | Truro | Bishop of Ely | Titular Bishop | Metropolitan bishop | Bishop of Lincoln | Bishop of Chester | Bishop Auckland | Bishop of Exeter | Bishop of Rochester | Bishop of Llandaff | Titular bishop | The Case of the Stuttering Bishop | Bishop of Meath | Bishop of Bath and Wells | Stephen Bishop | metropolitan bishop | Elizabeth Bishop | Bishop's Stortford | Bishop of Norwich | Bishop of Hereford | Bishop of Chichester | Rob Bishop | Maurice Bishop International Airport |
His departure from Cambridge was at the urging of his friend Edward Benson, who had been appointed as Bishop of Truro and wanted Mason to act as diocesan missioner.