Kenyon received a BS from Skidmore College, Saratoga Springs (1973), and an MFA from Indiana University, Bloomington (1976).
She was director of education (since 1978) and exhibitions coordinator at Catskill Center for Photography, New York. She taught photography in 1977 at Slippery Rock State College, Pennsylvania. She serves as secretary of the board of directors of the Catskill Center for Photography (since 1978). Her main project is photographing herself and her twin sister.
A past member of the CAA and Women's Caucus for Art and has belonged to SPE since 1976.