89, of Winter Park, Florida passed away at home on June 20, 2018. William was born in Bayonne and has resided in Florida the past 25 Years previously living in Roselle Park, NJ and Bayonne. William was the son of the late William Mahon and Kathleen McDevitt Mahon. Father of Regina Mahon. Grandfather to Jacqueline Cowan and Christopher Ziobro. Great Grandfather of Ryan Cowan and Connor Cowan. Brother of John D. Mahon and the late Lorraine E. Coyle and Kathleen V. Scala. Uncle of Kathleen Kennelly and several other nieces and nephews. Funeral arrangements by G. KEENEN O’BRIEN Funeral Home, 984 Avenue C.