Dennis, Kevin M. - November 25, 2021 - Passed away at Roswell Park Cancer Institute on Thanksgiving Day, after a courageous battle with cancer. Devoted Son of the late John R. Dennis and Mila M. (nee Mulanny) Dennis. Cherished brother of Charles, Maura (Joe) Mueller, John, Marianne (Harry) Muha, Martin, Jane (Erinn) Kellogg, Christian, Elaine Dennis and Melissa (Joe) Leska. Beloved Uncle of Arianna, Joe, Marissa, Eleanor, Joey, Chloe and Jackson. Survived by a myriad of loving family and friends. Kevin was an avid fan of the Grateful Dead; and was in the true sense a "DeadHead" that spread the love wherever he went. A Celebration of Life for Kevin will be announced at a later date. Flowers gratefully declined. If memorials desired, they may be made in Kevin's memory to Roswell Comprehensive Care Center (Attn: Blood Cancer Disorders). Arrangements by C. Mertz and Son Funeral Home, Inc. Please share condolences at www.mertzfh.com