Mr. Adair was born Jan. 19, 1938, in Danbury, son of the late David P. and Mildred Hardy Adair.
A lifelong resident of New Milford, he served in the United States Marine Corps.
He was a teacher of English at Danbury High School for 32 years, retiring in 2000.
In addition to his wife of 44 years, Mr. Adair is survived by a niece, Laura (Wells) Whitcomb, and her husband, Thomas; a nephew, Craig Wells and his wife, Amanda, and their daughter, Madeline; and a cousin, Maggie Adair, of South Kingston, N.Y.
Private burial will be at St. Francis Cemetery in New Milford.
The Lillis Funeral Home in New Milford is in charge of the arrangements.
Memorials may be made to the Animal Welfare Society, 8 Dodd Road, New Milford CT 06776.