Clan Callaghan: The O Callaghan Family of County Cork. Revised Edition - Genealogical.com
Jack O'Callahan - F/m Investments, LLC | LinkedIn
jack o'callahan Archives | A Great Number of Things
CALLAHAN FAMILY HISTORY
John J. O'Callahan - NHD Silent Heroes
Hall of Fame - Boston University Athletics
Distinguished Dozen: For Mike and Emily Callahan, a journey of giving, gratitude
Miracle' actor, Green Beret Michael Mantenuto found dead at 35
Chicago Dinner Gala 2012 - The Ireland Funds, Progress through Philanthropy
Getting to know Yale leaders | It's Your Yale
Westwood's Hughes family boasts a long line of hockey talent - The Boston Globe
The O'Callaghan family page
27 Jack Ocallahan 1980 Stock Photos, High-Res Pictures, and Images - Getty Images
Miracle' actor Michael Mantenuto dies at 35
Jack Ocallahan 1980 Photos and Premium High Res Pictures - Getty Images
Olympedia – Jack O'Callahan
Jack O'Callahan | Irish America
Rare Irish 1935 "His Family Tree" Jack Randall James Barton Margaret Callahan | eBay
1980 Miracle on Ice Arena Seat Back - Signed by Jack O'Callahan | eBay
O'Callaghan Name Meaning, Family History, Family Crest & Coats of Arms
jack o'callahan Archives | A Great Number of Things
O'Callahan Family Crest – Heraldic Jewelry
On the 30th anniversary of his team's "Miracle on Ice," Jack O'Callahan celebrates Team USA's win over Team Canada - ESPN
