Thomas Steven Mongiello

October 6, 1976 ~ September 19, 2025
Born in:
Bay Shore, NY
Resided in:
West Sayville, NY
If family and friends would like to come to the funeral home Monday morning before Mass, please arrive at 8:30 AM.
Thomas Steven Mongiello was born on October 6th 1976 to his loving parents Frank and Patricia. Thomas was raised in Holtsville were he attended Sachem High School and was a varsity wrestler. He went on to attend Oswego State to earn his teaching degree. While at Oswego he continued wrestling and also took up rugby. After college Tom began teaching math at Sachem and this is where he met his wife Dorene. Tom and Dorene raised two beautiful children, Maggie and Leo, and Tom was so proud of the amazing adults that they were becoming. Thomas passed peacefully and comfortably after a long battle with cancer at the Kanas Hospice Center on September 19th. Thomas is survived by his wonderful parents Frank and Patricia, his wife Dorene and children Maggie and Leo, his brother Kevin and sister Tricia, and his loving second family, the O’Hara’s, who treated him as their own and loved him dearly.
In lieu of flowers the family requests donations be made to East End Hospice.
Services
Visitation: Sunday, September 21, 2025 2:00 pm - 4:00 pm
Branch Funeral Home of Miller Place
551 Route 25A
MILLER PLACE, NY 11764
Visitation: Sunday, September 21, 2025 7:30 pm - 10:00 pm
Branch Funeral Home of Miller Place
551 Route 25A
MILLER PLACE, NY 11764
Mass: Monday, September 22, 2025 11:00 am
St. Andrew's Roman Catholic Church
122 Division Street
Sag Harbor, NY 11963
Interment: Monday, September 22, 2025 12:00 pm
St. Andrew's Roman Catholic Cemetery
1175 Brick Kiln Road
Sag Harbor, NY 11963
Linda and George
The memory I have of us wrestling together for so many years are as fresh as if it was yesterday. As are my memories of your smile.
Deepest condolences to your family.
So sorry for your loss🌹you are all in my thoughts
So sorry to hear about Thomas. He will be missed.we will always remember his smile.