COLLINS - William P.May 31, 1943 - May 22, 2025Of Buffalo, NY. Dearest father of Debra L. (Michael W.) Sklener; loving son of the late John O. and Edna A. (Lauber) Collins; brother of Patricia Diebler, Gordon Collins, Karen Keating and the late Susan MacDonald and Michael Collins; also survived by nieces and nephews. No prior visitation. A Celebration of Life Service will be held at the convenience of the family. Memorial contributions may be made to the SPCA Serving Erie County. Arrangements by: CASTIGLIA FUNERAL HOME, INC., 873 Abbott Rd., South Buffalo, NY, (716) 824-6435. Please share your condolences at: www.castigliafuneralhome.com