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John J. "Jack" O'Leary Jr.

John J. "Jack" O'Leary Jr. obituary

FUNERAL HOME

James W. Cannan Funeral Home, Inc. - Buffalo

2397 Seneca Street

Buffalo, New York

John O'Leary Obituary

O'Leary, John J.,

Jr. "Jack"

Sep 16, 2025

Beloved husband of Sharon (Casselberry); Dear father of Shannon (Darren) Labedz, Lisa (Timothy) Donovan, Brian (Kelly Taylor) O'Leary and the late John J. O'Leary III. Loving grandfather of Miranda (Mark), Hannah (Nathan), Carter, Ryan (Samantha), Patrick, Nathan, Matthew and Ashley. Great grandfather of Charlotte and Sophie. Son of the late John and Shirley (Troidl) O'Leary. Brother of Patsy (Chris) Sullivan, Margaret (Patrick) Hurley, Mickey (Mary Jo) O'Leary, Anne (late James) Roberts, Robert (Lisa LaPenna) O'Leary and the late Kathy O'Leary Also survived by many nieces and nephews. A Celebration of Life will be held privately for family and friends. Jack was a US Army Veteran, a member of the Knights of Columbus Msgr. Nash Council and an avid boater. He was proud to have been able to donate his body to the UB Anatomical Gift Program. Online condolences at www.CANNANFH.com

To plant trees in memory, please visit the Sympathy Store.

Published by Buffalo News on Sep. 21, 2025.

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Funeral services provided by:

James W. Cannan Funeral Home, Inc. - Buffalo

2397 Seneca Street, Buffalo, NY 14210

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