KOSMOSKI - Stanley A., Jr. "Jack Welles" Of West Seneca, NY, passed away peacefully January 16, 2023, with his beloved partner, Dennis R. Nawojski, of 54 years, at his side. No prior visitation. Private services will be held at the convenience of the family. Mr. Kosmoski was a U.S. Army Veteran of the Vietnam War. Arrangements by: ERIE COUNTY CREMATION SERVICE, (716) 824-6435. Please share your condolences at: www.eriecountycremationservice.com