He was born in Winnip'''eg in 1890 and studied art in Winnipeg, Pittsburgh and New York City. In 1924, he began teaching at the Winnipeg School of Art; he was principal of the school from 1929 to 1947. He exhibited works in two shows with the Group of Seven in 1930 and was invited to become a member of the Group in 1932 when J. E. H. MacDonald died. He was a founding member of its successor, the Canadian Group of Painters.
He died of a heart attack in Winnipeg in 1956.
In 2003, the Royal Canadian Mint produced a gold coin based on Fitzgerald's 1929 work Houses.