Career
He was a brother of the Rev Leonard Isitt. Rev Frank Isitt entered the ministry from the Sydenham Circuit, London and after a term at Richmond College went to New Zealand in 1871. He was a parish minister for a number of years, but after two breakdowns in health concentrated on temperance work.
He stood in the 1902 election as a prohibition candidate for ten seats, and came second in eight.
He also stood in the 1905 and 1908 elections.