O’BRIEN, William J., “Papa OBie”, Retired Captain, Boston Fire Department entered into eternal rest on Christmas Day surrounded by his children at the age of 90 in Naples, FL. Formerly of Mission Hill and West Roxbury. Beloved husband of the late Katherine (McColgan) O’Brien. Son of the late William and Gertrude (Connelly). Brother of the late Rita Wiseman, Virginia Mirabito, and Mary Johnson. Loving father of William II (BFD), and his wife Barbara of West Roxbury, Kathleen Alexander and her husband Robert of Braintree, Gerard (BPD) and his wife Linda of Braintree, James and his wife Cheryl of Roslindale, Michael and his wife Kimberly of West Roxbury, Joan Fagerberg and her husband James of Bourne. Loving Papa of William III, Katie, Jenna, Annie, Alex, Bonnie, Colleen, Kevin, Kayla, Kendra, Jacqueline, Mallory, Matthew, and Nicole. Big Papa to Lucy, Kyler, Cate, Mollie, William IV, Mabel, and Charlie. Also, survived by many nieces and nephews. Dear friend of Al Savioli and Susan Thomas. Former U.S Army veteran. Funeral from the William J. Gormley Funeral Home 2055 Centre St. West Roxbury on Monday, January 7th at 9am. followed by a Funeral Mass in St. Theresa of Avila Church, 2078 Centre Street, West Roxbury at 10am. Visiting hours Sunday 3pm – 8pm. Relatives and friends respectfully invited. Burial will be private. In lieu of flowers, gifts may be made to Dana Farber Cancer Institute, P.O. Box 849168, Boston, MA. 02284 or www.jimmyfund.org/gift, in memory of William J. O’Brien. For directions and guestbook www.gormleyfuneral.com