Dennis J. O'Sullivan

Left Formation November 2, 2024

O'SULLIVAN, Dennis J
Of Hamburg, NY, passed away on November 7, 2024, at the age of 103. Beloved husband of the late Yvonne E. (nee Trimble) O'Sullivan; loving father of Kathleen (Richard) Guziec and Noreen (James) Panzarella; cherished grandfather of Michael (Shana) Guziec, Michelle (Anthony) Mangaser, Christine (Brett) Strothers, David Panzarella, and Daniel (Hannah Attard) Panzarella; adored great-grandfather of 8; dear brother of Mary Roberts; pre-deceased by 6 brothers; also survived by nieces and nephews.

There will be no prior visitation. A Mass of Christian Burial will be celebrated on Thursday, November 14th at 10 AM at St. Mary of the Lake Church, 4737 Lake Shore Rd., Hamburg, NY 14075. (Please assemble at Church). Dennis was a proud and decorated WWII Army Veteran, Purple Heart recipient, and will be buried at Arlington National Cemetery.

Arrangements by the JOHN J. KACZOR FUNERAL HOME, INC. Please share condolences at www.kaczorfunerals.com.