Stephen J. McGrath age 76, of Mansfield formerly of Watertown, passed away on Thursday March 14, 2019. Beloved husband of Joanne (Rufo) McGrath. Loving father of Michael and his wife Maria of Franklin, Mark and his wife Jola of Mansfield and Christine Quinn and her husband Timothy of Attleboro. Grandfather of Christopher, Bryan, Lauren, Olivia, Derek, and Elle McGrath and Connor, Chloe, Colin, and Caitlin Quinn. Brother of Joseph McGrath and his wife Kathy of Watertown, and the late Earl McGrath and Nancy Raper. Steve loved spending time with his grandchildren, working at Boston College and Fenway Park and hanging out with friends at Joe's Variety. Stephen’s funeral will be from the Nardone Funeral Home, 373 Main Street, WATERTOWN on Thursday March 21st at 8 AM followed by a 9 AM funeral mass in St. Patrick’s Church, 212 Main Street, Watertown. Burial will be private. Visiting hours will be held on Wednesday March 20th from 4 to 8 PM. In lieu of flowers donations may be made in Stephen’s memory to the American Lung Association, 1661 Worcester Street # 301, Framingham, MA 01701.