Osborne Milton Kittredge was born to Benjamin W. and Mary J. (Harden) Kittredge on August 20, 1844. Osborne married Ella Marie Clark, daughter of Seth Eaton and Julia Ann Haynes (Babson) Clark, in about 1867. Ella Marie (Clark) Kittredge died on September 26, 1896. Osborne Milton Kittredge died on March 31, 1928.