Thomas H. O'Brien "Obi", 81, of Jamestown, passed away on November 4, 2026, in Heritage Park Rehabilitation and Skilled Nursing.

Born November 18, 1944, in Lackawanna, NY, he was a son of the late Thomas O'Brien and Dorothy Tench O'Brien Mattern.

Following graduation from high school, he served in the US Air Force from 1964-68. After his years in the Air Force earned an associate's degree from Olean Business Institute. Followed by 22 years in the Army Reserve.

Prior to his retirement, Tom was employed by Jamestown Public Schools. A familiar and beloved face at Tastee Corners and Dom's Mobile, Tom enjoyed his time visiting with friends and acquaintances. His warm smile and welcoming personality brightened the days of the many people who stopped to see him.

Thomas was commonly known as the Jamestown Leprechaun for the Downtown Jamestown Developmental Corporation. A member of the Retired Officers Association, Frewsburg Legion, the Lakewood Rod and Gun Club, and Jamestown High School Marching Band pit crew. He enjoyed playing cards cribbage and going on many cruises.

Surviving is his wife Debra Salemme O'Brien of Jamestown, whom he married 1974; daughters Traci O'Brien of Jamestown and Carrie (Scott) Graham of Jamestown; Three grandchildren Haley Spencer, Patrick Spencer and Jackson Graham all of Jamestown; and siblings Maureen Bennett of Alleghany, Michael (Ann White) O'Brien of Alleghany, John (Freda) O'Brien of Groveland FL, Sharon (Hal) Miles of Ohio and Coleen Silvis of Duke Center, PA.

The funeral will be held at 11 am on Monday in the Lind Funeral Home.

Burial will be in Holy Cross Cemetery.

Friends will be received from 12p-4 pm on Sunday in the Lind Funeral Home.

Memorial donations may be made to Blue Star Mothers.

A special thank you to the 2nd floor staff at Heritage Park for their care and compassion.