Mark was born on August 5, 1956 in McCandless to the late Raymond and Margaret Graf. He was a graduate of Pine-Richland High School.
Mark was employed by the US Postal Service for 45 years. He was a lifelong Pittsburgh sports fan and enjoyed attending Penguins games and riding his motorcycle.
Mark was preceded in death by his father Raymond in 1974 and mother Margaret in 2001.
He will be sadly missed by his family and is survived by his sister Amy Cook and brother Chris Graf, and his sons Derek Graf (Holly) of Economy, Andrew Graf of Cranberry, and grandchildren Wyatt, Charlotte, and Rosalie.
