Thomas D. Erwin passed away on March 30, 2019 at the age of 80. A retired Philadelphia Highway Patrol Officer. Beloved husband of the late Patricia. Devoted father of Thomas (Carol), and Brian (Loretta). Dear Pop Pop of Lindsay, Kelsey, and Max. Brother of James and Joseph. Relatives and friends are invited to his viewing on Thursday 9 AM-10:15 AM at St. Katherine of Siena Church, 9700 Frankford Ave. Phila., PA 19114 followed by his Funeral Mass 10:30 AM. Interment Holy Sepulchre Cemetery.