WALSH, John J. Of Osterville, formerly of Lexington, Jan. 31, 2010. Husband of Elizabeth "Betty" T. (Sullivan) Walsh. Father of Mary T. Krieger and her husband Gary of Chelmsford, Kathleen A. Magerman and her husband Barry of Franklin, Elizabeth Levangie and her husband David of Chelmsford, and the late John J. Walsh JR. Brother of Mary Ahern of Medford, Peter Walsh of Lexington, Thomas Walsh of Wilmington, Margaret Davidson of Canton, GA, and the late Nancy Skinner. Grandfather of John, Rebecca, David, Justin, Hannah, Eric, and Elizabeth. John is also survived by many nieces and nephews. U.S. Marine Veteran, Korean War, served on USS New Jersey; Lexington Firefighter, Past Founder and President of LOCAL 1491, and was an organizer of the Honor Guard and played a leadership role in the Health Insurance Coalition; Member of Arlington Chapter of KOC; Member of the VFW and American Legion. Funeral from the Douglass Funeral Home, 51 Worthen Rd. LEXINGTON Feb. 5 at 9am followed by a Mass of Christian Burial at Sacred Heart Church, Lexington at 10am. Relatives and friends are kindly invited to attend. Visiting hours Thursday 4-8 PM. Donations in his memory may be made to The Lowe Center for Thoracic Oncology, Dana Farber Cancer Institute RM. D1234, 44 Binney St. Boston, MA 02115 or to Mt. Auburn Hospital Oncology, 330 Mt. Auburn St. Cambridge, MA 02138. Interment Westview Cemetery