JOHNSON - William M. March 18, 1951 - March 19, 2026 Of South Buffalo, NY. Dearest father of William D. Johnson, Kyle E. Johnson (Lindsey R. Dalka) and Laura D. Johnson; proud grandfather of Wade, Janie, Nicholas, Ella and William; loving son of the late William J. and Eunice M. (Smith) Johnson; brother of Linda (Daniel) Filsinger, Mark (Anna) Johnson and the late Brian Johnson; also survived by nieces, nephews, great-nieces and great-nephews. Family and friends will be present Saturday, March 28, 2026 from 4-7 PM for a Celebration of Life Gathering at the CASTIGLIA FUNERAL HOME, INC., 873 Abbott Rd., South Buffalo, NY, 824-6435, where a Funeral Service will be held at 6:30 PM. Mr. Johnson was a loyal fan of the Buffalo Bills, and was a dedicated employee of GM Powertrain Tonawanda Engine Plant for 45 years. Please share your condolences at: www.castigliafuneralhome.com