Helen G. Clark, 84, of 49 Spit Brook Road, Nashua died on April 4, 2002 at her home after a lengthy illness. Mrs. Clark was born on November 27, 1917 in N. Chelmsford, MA, the daughter of the late John and Florence ( Finch) McQuade. She graduated from Chelmsford High School in 1935. Mrs. Clark worked as a bookkeeper for several companies in MA which include, William P. Proctor Company in North Chelmsford, Sylvania Electric Company in Lowell , Mohair Plush Company also in Lowell and Adams Associated in Bedford, MA before finally retiring in the mid 1970's. She was an avid reader and enjoyed making ceramics for her friends and family. Family members include her husband of 66 years, Francis C. Clark; three sister-in-laws, Mary McQuade of Ft. Lauderdale, FL, Muriel Clark Harrington of N. Chelmsford, MA and Elizabeth Clark Wesson of Dracut, MA and several nephews and nieces.