Caroll R. Karr, 91, who was a coordinator in the office of the Fairfax County executive for more than 15 years, died Oct. 3 at a residential care center in San Francisco. She had Alzheimer’s disease, her daughter-in-law, Susan Karr, said.

Mrs. Karr settled in Northern Virginia in 1961 and was a lobbyist for a citizens committee on transportation before going to work for Fairfax County in 1969.

She helped coordinate the county’s support and funding of the proposed Metro system and worked as a coordinator of federal and state aid to the county. She retired in 1985.

Caroll Josephine Robbins was born in Springfield, Mass., and graduated summa cum laude in 1942 from Radcliffe College in Cambridge, Mass. She received a master’s degree in public administration from George Washington University in 1976.

After her marriage in 1943, she and her husband lived overseas for 12 years while he was a U.S. government attache. In 1947, she and her husband published a book on Remington handguns, which was republished in subsequent editions.

Mrs. Karr lived in Fairfax from 1961 to 2009 and was president of a Fairfax chapter of the League of Women Voters in 1966. She was a member of the Unitarian Universalist Congregation of Fairfax and the Country Club of Fairfax, where she won golf championships.

Her husband of 49 years, Charles L. “Cy” Karr, died in 1992.

Survivors include a son, Cyrus P. Karr of San Francisco; a sister; and two granddaughters.

— Matt Schudel