John L. Chemsak passed away on Friday, May 14, 2021, age 77, of Pittsburgh. Born in McKeesport; the son of the late John and Susan (Rasco) Chemsak. Beloved husband of Alice D. (Morris) Chemsak; Loving father Karen (Craig) Lachappell and Kimberly Chemsak; Dear brother of Mary Jane Chemsak and Suzanne (Paul) Ross. Thanks to the caregivers for all the love and wonderful care you have given to John and our family. Arrangements are private and entrusted to George Irvin Green Funeral Home, 3511 Main Street, Munhall PA 15120 (412-461-6394). Please share your memories and condolences at www.georgeigreenfuneralhome.com.