Mahlon Gregory Gerhartz, 66, of Edison, passed away on Thursday, April 29, 2021 at Hackensack Medical Center. "Greg" was born in New Brunswick and lived in Edison most of his life. He worked as a machinist for Key International in Cranbury. Greg was predeceased by his parents, Mahlon and Catherine Gerhartz. He is survived by his loving wife, Patricia; his daughter, Jennifer Gerhartz and her partner Amy Lorincz; his son, Gregory Gerhartz and his wife Marianne; his sister, Carol Davis and her husband Stanley of North Carolina; his 3 grandchildren, Jack, Avery and Blakely Gerhartz; and several nieces and nephews. Following his wishes, Mahlon was privately cremated.