Allan Raymond Dennison Obituary
We are sad to announce that, on April 20, 2026, at the age of 79, Allan Raymond Dennison of Marco Island, Florida, born in McKeesport, Pennsylvania passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
Though his name may fade from the lips of time, the imprint Allan leaves upon the hearts of his loved ones remains eternally vivid — a testament to the depth of his spirit and the richness of his legacy.
He was predeceased by: his parents, Malcolm Dennison and Alice Dennison; his siblings, Glenn and David Dennison; and his wife Sandra L. "Sandy" Dennison.
He is survived by: his sons, Mark Dennison (Susan) of West Chicago and Adam Dennison (Leanne) of Melrose, Massachusetts.; and his grandchildren, Collin, Abigail, James and Sara. He is also survived by his sisters-in-law and their husbands, along with many nieces and nephews on both sides of his family.
