George Wishart was born on 18 December 1896 in Kinburn, Ontario. He studied entomology at the Ontario Agricultural College in Guelph and in 1929 he moved to Belleville, Ontario, to take up a position at the Dominion Entomological Laboratory on Dundas Street. He married Lois Keatley on 5 June 1929 and the couple had three daughters. George was active in a number of organizations and charities, including the Belleville Children's Aid Society, the Moira River Conservation Authority and the Canadian National Institute for the Blind. He served as an alderman for the City of Belleville from 1958 to 1964. He died on 23 February 1970 at the Belleville General Hospital and was buried in Arnprior, Ontario.