Koch, Darleen G. (Bartz) of Orchard Park, NY March 22, 2023. Beloved wife of Philip E. Koch; loving mother of Jennifer M. (Joseph) Statz and Christopher P. (late Kelly) Koch; grandmother of Kyle, Mark and Sean; sister of the late Jeanne Bartz. No prior visitation. A Prayer Service honoring Darleen’s life with be held Saturday April 22, 2023 at 10am at the F. E. Brown Sons Funeral Home 6575 E. Quaker St. Orchard Park, NY