Age 92 of Bridgeville, on January 24, 2020. Beloved wife of the late Frank A. Mawhinney for 65 years; loving mother of Bobbie (Jim) Calgaro; cherished grandmother of Lisa (Kevin) Kenna; sister of the late Louis “Skip” Colussy; also survived by her niece and nephews Nanci (Steve) Colussy Noon, Jon (Jill) Colussy and Tim (Cheryl) Colussy, and their children and grandchildren. Iris was a prolific artist, seamstress and knitter. She was very active in her Jehovah’s Witness congregation and was beloved by many family and friends. Family and friends received on Monday from 2-4 and 6-8 PM at the Warchol Funeral Home Inc., 3060 Washington Pike, Bridgeville (412.221.3333), where a service will be held on Tuesday at 11 AM. Memorials may be made to Habitat for Humanity.