HEINTZ-Donald A. April 10, 2008. Beloved husband of Mary Louise (Cosgriff) Heintz and the late Doris R. (White) Heintz; devoted father of Donna Lee Heintz of New York City, Dale Allen Heintz of Liverpool, NY and the late Debra Lee Brown; father-in-law of Eugene Brown Jr. of Piedmont, CA; grandfather of Eric, Kyle, Courtney and Marlee. Friends may call Saturday from 7-9 and Sunday 2-4 and 7-9 at the DIETRICH FUNERAL HOME, INC., 2480 Kensington Ave., Amherst. Mass of Christian Burial will be celebrated Monday at St. Gregory the Great Church at 9 AM. Flowers are gratefully declined. Memorials may be made to Hospice of WNY.