(nee Diem) of Williamsville NY, passed away on April 10, 2026. Suzi was the beloved wife of 53 years to Peter A. Costanzo; cherished mother of Kari A. Costanzo - Piazza, Katie S. (James) Costanzo - Guziec, Krissy M. (Allison) Costanzo – Metcalfe, Kelly L. (Andrew) Mameli; devoted grandmother of Elliot, Benjamin, Emily, Jamie, Julian and Josephine; loving sister of Gary (Ann) and Thomas (Cynthia) Diem. Also survived by many nieces, nephews, cousins and dear friends. More than anything Suzi loved her family (especially her grandchildren), friends and truly embodied the joy in life. She will be missed immeasurably. The family will be present on Tuesday April 14, 2026 from 3 - 7PM at the PERNA DENGLER ROBERTS FUNERAL HOME 1671 Maple Road, Williamsville NY. A Celebration of life will be held at a later time to be announced. Please check back on our website for this information. In lieu of flowers, donations may be made in Suzi’s memory to The Elephant Sanctuary in Tennessee. https://shop.elephants.com/give
Fond memories and expressions of sympathy may be shared at www.denglerrobertspernawilliamsville.com