Background
Born in Toronto, Ontario, the son of Jesse H. Arnup (1881–1965), a Methodist minister who was Moderator of the United Church of Canada from 1945 to 1946, and Ella Maud Leeson (1883–1966).
Born in Toronto, Ontario, the son of Jesse H. Arnup (1881–1965), a Methodist minister who was Moderator of the United Church of Canada from 1945 to 1946, and Ella Maud Leeson (1883–1966).
He attended Oakwood Collegiate Institute in Toronto, and then received a Bachelor of Arts degree from Victoria College in the University of Toronto in 1932.
He received a Bachelor of Laws degree from Osgoode Hall Law School in 1935. He was call to the Ontario bar in 1935. He was named a King"s Counsel in 1950 and practiced law with Mason, Foulds, Davidson, Carter & Kellock (now WeirFoulds Limited Liability Partnership).
In 1970, Arnup was appointed to the Ontario Court of Appeal.
He served until 1985. In 1988, his book Middleton: The Beloved Judge, a biography of former justice of the Supreme Court of Ontario William Middleton, was published.
