Hamilton, William H. of Lexington, October 14, 2009. Husband of Marilyn (Hunt) Hamilton. Father of Stephen W. Hamilton and his wife Jacqueline of Carlisle and Christina Gentile of Lexington. Brother of Anne Zwicker of Bedford and Jacqueline Tocci of concord, NH. Grandmother of Kelly Christensen, Mark Hamilton, Michael Gentile, and Erika Lee. Bill is also survived by 6 greatgrandchildren. A funeral service will be held Saturday Oct. 17 at Grace Chapel, 59 Worthen Rd. Lexington at 10am. Relatives and friends are kindly invited to attend. Visiting hours at the Douglass funeral Home, 51 Worthen Rd. Lexington Friday 5 - 8 PM. Donations in his memory may be made to Grace Chapel, Missions Department, 3 Militia Drive, Lexington, MA 02421. Interment Westview Cemetery, Lexington.