Mary E. Rigdon, who oversaw the operation of her family’s Harford County farm and earlier had been an educator and librarian, died Saturday from a heart attack at her Jarrettsville home. She was 89.
The former Mary Elizabeth Wysong was born in Easton and raised in Forest Hill.
She was the daughter of Francis “Frank” Wysong, a Harford County health inspector, and Mary Elizabeth Wysong, a school teacher.
She was a 1947 gradate of Bel Air High School and in 1951 received a bachelor’s degree in education from what is now Salisbury University. She also received a certificate of library science in 1953 from the University of Virginia.