Mary S. Snelgrove of Lockport, NY, passed away on Tuesday, July 27, 2021 at home. Born on July 27, 1934 in Buffalo, she was the daughter of the late Philos M. and Margaret M. (O’Farrell) Park. Wife of the late William H. Snelgrove, Mary is survived by her son, William S. Snelgrove (Deanna Laura Pierson) and two grandsons, Troy A. Snelgrove and William C. Snelgrove. A Mass of Christian Burial will be celebrated on Friday, July 30, 2021 at 10:00 AM from St. John the Baptist R.C. Church, 168 Chestnut, Lockport. Interment in Cold Springs Cemetery. Memorials may be made to Niagara Hospice, Inc., 4675 Sunset Dr., Lockport, NY 14094 or Forever Friends Dog Rescue of WNY, Inc., PO Box 420, N. Tonawanda, NY 14120. Condolences may be offered to the family at langefuneralhomeinc.com