New Castle, PA - Diane C. Angelilli, 78, of Neshannock Township passed away the evening of Aug. 2, 2026, at the Celebration Villa of Chippewa. Born Oct. 1, 1947, in Youngstown, Ohio, Diane was the daughter of the late Donald and Elvira Mancuso Lightner. Diane is survived by her beloved husband, Charles E. Angelilli. Diane had worked as a Spanish teacher at Montour High School until her retirement in 2001. Visitation will be 11 a.m. to noon Friday, Aug. 7, at the Ed & Don DeCarbo Funeral Home & Crematory, 3000 Wilmington Road.