He was born May 21, 1928 in the Town of Hannibal to the late, Harvey and Ruth Dennison. He graduated from Hannibal High School and married Joan Perkins on May 8, 1954.
He was a lifetime dairy farmer and had served as Hannibal Town Justice for 36 years, retiring Dec. 31, 2009. He was a member of Bowens Corners United Methodist Church; Hannibal Masonic Lodge #550 since May 1951; and Oswego County Magistrates Association.
He enjoyed spending time with his children, family and friends.
He was predeceased by a brother, Victor Dennison and sisters, Gladys Brewer and Helen Perkins.
Surviving are his wife of 58 years, Joan Perkins Dennison of Hannibal; their children, Linda (Joseph) Salvatore of Liverpool, Larry (Mary) Dennison of Hannibal, Keith (Melody Herring) Dennison of Texas, Jack (Sherri Bauer) Dennison of Hannibal, Jill (Glenn Cooper) Whalen of Hannibal, Kathe (Randy) Beckwith of Hannibal; a brother, Bernard (Vivian) Dennison of California and sister-in-law, Marian Schremph of Fulton; grandchildren, Jennifer, Kristina, Jamie (Meredith LaMont) Dennison, Eric (Michelle Hopp) Otis, Tiesha (Chris) Combes, Jami (Dan Hopman) Goldberg, Nicholas (Jennifer) Whalen, Jeffrey (Patty Stephenson) Beckwith, Jason (Brittany Rowe) Beckwith; step-grandchildren, Michelle Salvatore, Kristin (Alessandro) Bortoloni and Mark (Kelly) Salvatore; seven great-grandchildren; four step-great-grandchildren; and many nieces and nephews.
Funeral services were held April 21 at Foster Funeral Home, 837 Cayuga Street, Hannibal. Burial was in Hannibal Village Cemetery. Calling hours were April 20 at Foster Funeral Home in Hannibal.
Memorial contributions may be made to Bowens Corners United Methodist Church, 758 State Route 176, Fulton, NY 13069 or Hannibal Volunteer Fire Department, PO Box 252, Hannibal, NY 13074.