Marlborough High football coach Sean Mahoney dies at 63
Yahoo Sports • 1 min read • Latest: Jun 13, 2026, 3:34 PM
Last updated Jun 13, 2026
Sean Mahoney, the longtime football coach at Marlborough High, passed away on June 12 after battling Multiple System Atrophy, a rare neurodegenerative disease. Mahoney, who was 63, started coaching in 1994 and led Marlborough for 20 seasons, achieving 154 wins. His last coaching victory came in October 2024. He is survived by his wife, Nikki, three children, and two grandsons. Funeral service details will be announced soon.
- •Mahoney died after a battle with Multiple System Atrophy.
- •He coached Marlborough High for two decades, achieving 154 wins.
- •He was named MIAA 2020-21 Football Coach of the Year.
- •He was inducted into the Massachusetts High School Football Coaches Association Hall of Fame in 2024.
- •Funeral services will be announced shortly.
- 3:34 PMYahoo Sports — Longtime Marlborough High football coach Sean Mahoney passes away
"Longtime Marlborough High football coach Sean Mahoney passes away after bout with Multiple System Atrophy, a rare and aggressive neurodegenerative disease.
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