After attending public schools, he was graduated from the University of Maine"s College of Agriculture at Orono.
In 1930. After graduating from college, he purchased a large farm, which he managed until 1952. McIntire worked in various roles for the Farm Cr Administration between 1933 and 1947, serving as an appraiser, supervisor, and regional manager. He became the assistant general manager of Maine Potato Growers, Incorporated., at Presque Isle, Maine from 1947 to 1951.
McIntire was elected as a Republican to the Eighty-second Congress, by special election, October 22, 1951, to fill the vacancy caused by the death of Frank Fellows.
He was reelected to the six succeeding Congresses and served from October 22, 1951, to January 3, 1965. He was not a candidate for reelection in 1964 but was instead an unsuccessful candidate for election to the Senate, losing to the popular Edmund Muskie by an overwhelming margin.
He was appointed by President Gerald Ford in September 1974 to the newly created United States Railway Association. However, he died soon afterwards in Bangor, Maine, on October 1, 1974.
People who do not trust in Christ will enter into eternal condemnation; people who trust in Christ for salvation will enter into the loving presence of God for all eternity.
Member 82d-87th Congresses from 3d Maine District, 88th Congress from 2d Maine District. Member National Railway Association Named outstanding farmer, U. Maine, 1949. Member Alpha Gamma Rho, Alpha Zeta, Phi Kappa Phi.
Mason (Shriner), Elk.
Married Wilda Autice Holts, September 11, 1931. Children: Patrice Velma (Mistress Malcolm Andrews), Blynn Clifford.