William M. Bartosz, age 60, passed away on January 1, 2025. He was born on October 27, 1964 in Holyoke, a son of the late Edward G., Bartosz and Grace F. (Gardner) Bartosz. William worked as an assembler for the Buxton Co before he retired. He was an avid volunteer and enjoyed spending time with his family. He is survived by two brothers, Steven Bartosz and his wife Carol of Chicopee and Edward J. Bartosz of Chicopee; two sisters, Sandy Michon and her husband Ron of Feeding Hills and Tina Fortier and her husband Stephen of NC along with many nieces and nephews. A celebration of life will be held on Wednesday, January 8, 2025 from 10:00 – 11:00 AM with a Service starting at 11:00 AM in LifePoint Church, 603 New Ludlow Rd, Chicopee, MA. Burial will follow in Mater Dolorosa Cemetery, South Hadley. The Grise Funeral Home is entrusted with arrangements. For online condolences, please visit www.GriseFH.com.