Clare Finan Sullivan, 48, a resident of Fairfax and a teacher in Fairfax County public schools for the past 11 years, died May 4 in Fairfax Hospital as a result of injuries suffered in an automobile accident the previous day.

A spokesman for the Fairfax County police said Mrs. Sullivan drove through a stop sign at the intersection of Soapstone and Glade drives in Reston and collided with a truck. The driver of the truck was not injured, police said.

Mrs. Sullivan was a native of Providence, R.I. She earned a bachelor's degree in education at Rhode Island College in 1955 and a master's degree in teaching at the University of Oklahoma in 1970. For the past six years, she had been a reading specialist at Louise Archer Elementary School in Vienna.

She was a member of the International Reading Association, the Greater Washington Area Reading Council and the Fairfax County Department of Reading Teachers.

Her husband, retired Army Lt. Col. Andrew J. Sullivan, died in 1980.

Survivors include a son, Christopher, of Fairfax; three daughters, Joann O'Neill of Annandale, Kathleen Sullivan of Boulder, Colo., and Denise Myers of San Diego; her mother, Beatrice Finan of Cranston, R.I., and two sisters, Dorothy Flynn of Windsor, Conn., and Bernice McCarthy of Chicago.