Dennis Zack Obituary
It is with great sadness that we announce the death of Dennis Zack of Fishkill, New York, who passed away on April 12, 2026, at the age of 76, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, Robert and Fay Zack. He is survived by: his children, Christine Thorbjornsen (Anthony) of Poughkeepsie, Robert Porco, Marilyn Knapp of Fishkill and Denise Marcio (Frank); his grandchildren, Marisa Thorbjornsen (Kayleigh), Michael Thorbjornsen, Angelina Porco, Abraham Knapp, Chase Marcio, Logan Marcio and Bella Marcio; his sister Linda Barnaby; and his niece Kelli Little.
In lieu of flowers, memorial donations may be made to the Town of Fishkill Police Cadets, 801 Route 52, Fishkill, NY 12524 or or Gary Stymiloski Scholarship Fund c/o Westchester County PB, 1 Saw Mill River Parkway, Hawthorne, NY 10532.
