He was the son of the Rev. Samuel T Nesbitt and Agnes Bailie Nesbitt. In 1901 and 1911 the family were living in house 7, Toberdowney, Ballynure, Co. Antrim.
Nesbitt joined the Belfast Bank on 16th April 1917 working in Derry, East End and Accountants,
Nesbitt served as a Signaller with the Royal Dublin Fusiliers.
Following his demobilisation after the Great War, Nesbitt returned to work. His address is recorded as Ingleside, Browns Bay, Islandmagee. Nesbitt was a member of the Belfast Banking Company Sports Club on 30th March 1946 paying 5 shillings subscription and was worked in Head Office.
Retirement came on 16th April 1962.
Nesbitt died on 23rd September 1978.