Born and raised in Marlborough, he was the son of the late Patrick and Diana (Boisse) Courchaine and the husband of Claire (Plourde) Courchaine, to whom he had been married for the past 67 years.
1943 graduate of Assumption High School, he was a veteran of World War II, serving in the U.S. Army as a topographic engineer. He retired in 1989 from General Motors Corp., Framingham, where he had been employed for 41 years in the Shipping and Receiving Department and as a power lift operator.
He was a member of the former St. Mary's Parish in Marlborough, the first juvenile allowed to join the Catholic Order of Foresters, a lifelong member of both the VFW Post 638 and the AmVets. He had also served the City of Marlborough as a call fireman for 24 years.
Besides his wife, he is survived by his son, Raymond Courchaine of Marlborough; his daughter, Jeanne Stanford and her husband, Rollin, of Murray, Utah; five grandchildren; and 11 great-grandchildren. He was also the father of the late Paulette and Suzanne Courchaine.
A funeral Mass will be celebrated Saturday, May 19, at 10 a.m., at St. Matthias Church, 409 Hemenway St., Marlborough. Burial will follow at St. Mary's Cemetery, Beach Street in Marlborough. Visiting hours will be held Friday, May 18, from 4 to 6 p.m., at the Slattery Funeral Home, 40 Pleasant St., Marlborough.
Donations may be made to St. Jude's Children's Hospital, 501 St. Jude Place, Memphis, TN 38105.