Constance M. Stapf (nee Callahan) 91, passed away, Thursday, November 7, 2019. The eighth and youngest child of Daniel and Genevieve (nee Kelly) Callahan. Loving mother of David (Patty), Jan (Kris) Kroen, Karen (Jerry) Hilf, and Neal (Amy). Former wife of the late Charlie Stapf. Loving grandmother of 11 and great-grandmother of 10. Aunt and friend to many. In lieu of flowers, donations to: APA in Brentwood or The CARE organization at STMM (Brentwood).