Siegfried, Thomas W., of Islip, LI on December 8, 2020. Beloved husband of the late Dolores M. Siegfried. Devoted father of Raymond Siegfried, William Siegfried and the late Joanne Salentino. Loving grandfather of Eric, Danielle, Coty and Allyson. Tom was the owner of Tom Siegfried Plumbing and Heating in Islip. He was an avid boater and enjoyed many days on the water. He will be greatly missed by all. Reposing at the Fredrick J. Chapey & Sons East Islip Funeral Home, 200 East Main Street (1/2 mile west of S.S. Pkwy, exit 45 W). A Religious Service will be held at the Funeral Home Saturday 9:30 AM. Interment to follow at Oakwood Cemetery, Bay Shore, LI. Visitation Friday 2:00 PM until 4:00 PM and 7:00 PM until 9:00 PM and Saturday 8:30 AM until 9:30 AM.