MacIntyre was born in Charlottetown, Prince Edward Island. He was district manager for Niagara Finance and Niagara Mortgage & Loan from 1964 to 1971. MacIntyre married Phyllis Coady. In 1971, he joined the federal Unemployment Insurance Commission, moving to Saint John, New Brunswick in 1976 after he became regional manager. In 1978, he became district manager for Human Resources Development Canada. He retired in 1995.