Suddenly on May 8, 2021 at the age of 25. Beloved son of William Mulligan, III and Catherine Arant (Mark Krecko). Loving brother of William and Danielle. Cherished grandson of Loretta Arant (the late Daniel) and Nan Mulligan (the late Bill). Beloved nephew of Uncle Dan Dan. Uncle of Patrick "PJ". Also survived by Uncle Bobby (Sue), Aunt Anne and Aunt Lynn. Relatives and friends are invited to gather Wednesday May 19, 2021 St. Charles Borromeo Church, 1731 Hulmeville Rd. Bensalem, PA 19020 9:00 AM - 10:15 AM followed by his Funeral Mass 10:30 AM. Interment private. In lieu of flowers family prefers donations to ALS HOPE FOUNDATION, 219 N. Broad St. PO BOX 40777, Phila., PA 19107 in Matt's memory would be appreciated.