Gary F. Mattis, 67, of Vernon, Passed away peacefully on Tuesday, August 29, 2017. He was born on June 6, 1950 in Manchester, CT to the late Beta (Michaelicka) and Francis Mattis. He is survived by his brother Norman S. Mattis and his nieces Lauren and Kylee Mattis. Friends and relatives are welcome to join the family on Tuesday, September 5, 2017 at 11am for a graveside service at St.Bernard Cemetery, 25 St.Bernard Terrace, Rockville, CT. For online condolences please visit www.pietrasfuneralhome.com