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Killian A. "Kelly" O'Brien
  • In lieu of flowers please consider a donation to the American Diabetes Association-Western Pennsylvania, 112 Washington Place, Suite 1520 (Two Chatham Center), Pittsburgh, PA 15219.

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“Sad to learn of Kelly's passing. He was a kind, welcoming and funny man, whom I had the pleasure of spending time with at the courthouse. I extend my...Read More »
1 of 6 | Posted by: Melissa Cochran - Beaver Falls, PA

“Kelly was the best, and this world is worse place without him in it. I consider myself lucky and fortunate to have been able to consider Kelly my...Read More »
2 of 6 | Posted by: John Kane - Pittsburgh, PA

“Kelly always had a kind word for everyone and a smile on his face when staffing for his brother in the civil division.He was a true gentleman, a...Read More »
3 of 6 | Posted by: richard federowicz - pittsburgh, PA

“Judge O'Brien and family:I am really saddened to hear of Kelly's unexpected passing. I just met him for breakfast a few weeks ago; and was planning...Read More »
4 of 6 | Posted by: JOHN MORRIS - CARNEGIE, PA

“We are all so saddened to learn of Kelly's passing. He was always an upbeat individual at work or just sharing a beer. He will be missed by many of...Read More »
5 of 6 | Posted by: Anthony Bagnato - Oakdale, PA

“Terry, Maureen and Family,Every memory and thought of Kelly brings a smile. He was truly a part of our family. Absolutely the best story teller I...Read More »
6 of 6 | Posted by: Elizabeth Shannon - McDonald, PA


Killian A. "Kelly" O'Brien passed away unexpectedly on November 10, 2021. He was born on August 24, 1955, the youngest son of Peggy and Bill O'Brien. Prior to his retirement, Kelly spent most of his career working as a tipstaff in the Court of Common Pleas of Allegheny County in both the Criminal and Civil Divisions. He was well-respected and a friend to everyone he met. Kelly was preceded in death by his parents and his brother Kevin O'Brien. He will be greatly missed by his sister, Maureen O'Brien Giran (Dave) and his brother, Judge W. Terrence O'Brien (Marion). Kelly was the loving uncle to Michael, Kathy, Megan, Kelly, Elliott and Erin and beloved great uncle to Danny and Jack. Kelly will also be missed by his cousins and countless friends. Kelly was an avid golfer, accomplished pool player and devoted Pittsburgh sports fan.
Services are private. In lieu of flowers please consider a donation to the American Diabetes Association-Western Pennsylvania, 112 Washington Place, Suite 1520 (Two Chatham Center), Pittsburgh, PA 15219. Arrangements entrusted to WILLIAM SLATER II FUNERAL SERVICE (412-563-2800), 1650 Greentree Road, Scott Twp., 15220. www.slaterfuneral.com