The couple were married on Aug. 28, 1955, in Reading, Ohio, by the Rev. William Bench.
Mr. Proffitt retired from Chevrolet Motor Division.
Mrs. Proffitt is the former Marilyn Rolman. She is a community volunteer with the Girl Scouts.
The couple have four children, Sheri Miller, Jonesborough, Karen McLeary, Humboldt, Marjorie Miller, Huber Heights, Ohio, Laura Patrick, Greeneville; seven grandchildren; and four great-grandchildren.