Jameson O'Neil, 26, Wellesley Native and Lakers Employee, Dies After Brain Cancer Battle

O'Neil was remembered for his kind spirit, athletic passions, and authentic relationships.

Published on Feb. 9, 2026

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Jameson O'Neil, a 26-year-old Wellesley native, passed away on February 6, 2026 after being diagnosed with glioblastoma, an aggressive form of brain cancer, the previous year. O'Neil was known for his warm personality, love of sports, and deep connections with family and friends.

Why it matters

O'Neil's passing at a young age is a tragic loss for the Wellesley community, where he grew up, and the broader sports media world, where he had built a career. His story highlights the devastating impact of glioblastoma, one of the most aggressive and difficult-to-treat forms of brain cancer.

The details

After graduating from Wellesley High School, O'Neil attended Loyola Marymount University in Los Angeles, where he studied English and journalism and was involved in campus media and athletics. He later worked in college sports broadcasting and most recently for the Los Angeles Lakers. In 2025, O'Neil moved back to Wellesley to be with his family after his diagnosis, facing his illness with grace and strength.

  • Jameson O'Neil passed away on February 6, 2026.
  • O'Neil was diagnosed with glioblastoma, an aggressive brain cancer, in 2025.

The players

Jameson O'Neil

A 26-year-old Wellesley native who passed away after a battle with brain cancer.

Joe and Jordan O'Neil

Jameson O'Neil's parents.

Keaton and Avery O'Neil

Jameson O'Neil's siblings.

Loyola Marymount University

The college O'Neil attended in Los Angeles, where he studied English and journalism.

Los Angeles Lakers

The NBA team O'Neil worked for in sports broadcasting prior to his illness.

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What’s next

Jameson's family will be holding a memorial service for him on Saturday, February 14th at 11 a.m. at The Village Church in Wellesley.

The takeaway

Jameson O'Neil's passing at a young age is a tragic loss for the Wellesley community and the sports media world, but his memory will live on through the authentic relationships and positive impact he had on those around him.