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O'SULLIVAN, John J. "Jack"

O'SULLIVAN - John J. "Jack"
January 28, 2019 of Buffalo, NY; dear son of Mary and the late John O'Sullivan; dear companion of Monica M. Villagomez; father of Jack and Aaron O'Sullivan; brother of Timothy (Karen), Raymond (Sharon), Brian (Rhonda), Chuck (Tammy), George (Rhonda), Scott (Kelly) and the late Mary and Joseph (Janet) O'Sullivan; also survived by many nieces and nephews. The family will be receiving relatives and friends Friday from 4-7 PM at the SIECK, MAST & LESLIE FUNERAL HOME, 250 Orchard Park Road, West Seneca, 825-5205, where services will follow at 7 PM. Please share online condolences at

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Sieck & Mast Funeral Home

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