Age 87, of Scott Township, on April 30, 2026.  Beloved wife of Ernie J. Lorenzato; loving mother of Sharon (Patrick) Kilkeary of Mt. Lebanon and Teri (Paul) Schaffner, of Mars; cherished grandmother of David (Kate) Schaffner, Samantha (Patrick) Corcoran, Elizabeth (Wendell) Waters, and Michael Kilkeary; great grandmother of Alexander “Alex” Schaffner, Megan Schaffner, Callahan “Callie” Schaffner, Finley Corcoran, McGinnis “Mac” Corcoran, and Philippa “Pippa” Waters.  Bonnie worked as a secretary for Chartiers Valley School District.  She was a very generous person and spent her time volunteering for Meals on Wheels.  She was a past Deaconess and Eulogist for Covenant Community Presbyterian Church.  Bonnie was also a member of the Chartiers Valley Retiree Group and a past member of the Hilltoppers.  Family and friends received on Monday from 2-4 and 6-8 PM at the Warchol Funeral Home Inc., 3060 Washington Pike, Bridgeville (412.221.3333).  A funeral service will be held on Tuesday at 11 AM at Covenant Community Presbyterian Church.  Everyone please meet at church.  In lieu of flowers, memorial donations may be made to the Salvation Army and Shriner’s Children’s Hospital.