O'Brien, Matthew T. of West Roxbury, formerly of Jamaica Plain, June 10, 2013. Cherished son of the late Warren and Margaret O'Brien of Jamaica Plain. Loving husband of Barbara (Scanlon) O'Brien of West Roxbury. Devoted father of Matthew J. O'Brien and Delia E. O'Brien of West Roxbury. Brother of Neal O'Brien and his wife Beth of Arlington, Stephanie Popkin and her husband James of Walpole. Well loved by many nieces, nephews, cousins and friends. Funeral from the Robert J. Lawler & Crosby Funeral Home, 1803 Centre St. WEST ROXBURY on Thursday June 13, at 9:00 AM. A Mass of Christian Burial will be celebrated in St. John Chrysostom Church, 4750 Washington St. West Roxbury at 10:00 AM. Relatives and friends are invited to attend. Visiting hours in the funeral home on Wednesday June 12, from 4:00 to 8:00 PM. Interment St. Joseph Cemetery. www.lawlerfuneralhome.com Lawler & Crosby Funeral Home 617-323-5600