Brennan, William P. of Brookline, formerly of Jamaica Plain, January 15, 2013. Beloved husband of the late Maureen L. (McKenzie). Loving father of Karen Brennan-White and her husband Michael of Manchester, NH. Devoted grandfather of Jacklyn, Evan, and Leia. Loving brother of John J. Brennan, Mary T. Donnelly, James J. Brennan, Joseph J. Brennan, George J. Brennan, and Ann M. Clifford. Funeral from the Robert J. Lawler & Crosby Funeral Home, 1803 Centre St. WEST ROXBURY on Tuesday January 22, at 9:00 AM. A Mass of Christian Burial will be celebrated in St. Mary of The Assumption Church Brookline at 10:00 AM. Relatives and friends are invited to attend. Visiting hours in the funeral home on Monday January 21, from 4:00 to 8:00 PM. Interment Tuesday at 1:00 PM in The Massachusetts National Cemetery, Bourne. www.lawlerfuneralhome.com Lawler & Crosby Funeral Home 617-323-5600