Siobhán Mahon Obituary
The family announces the passing of Siobhán Mahon (Boston, Massachusetts) on August 14, 2026. Siobhán was part of many shared moments and relationships throughout life. You can send your sympathy in the guestbook provided and share it with the family.
Siobhán will be remembered for the time spent with loved ones and the moments that brought joy to those around her. Friends and family will honor Siobhán by reflecting on shared memories and the positive influence she had in their lives. Though Siobhán is no longer present, the bonds she created and the experiences shared will endure. Siobhán’s memory will continue to be a source of comfort for all who knew her.
She was predeceased by: her father Michael Mahon. She is survived by: her sons, Kevin and Michael; her mother Agatha; her siblings, Denis, Michael and Noreen (Victor); and her former husband Kieran. She is also survived by extended family, friends.
In lieu of flowers donations in memory of Siobhán may be made to The Kevin Bell Repatriation Trust at https://kbrtrust.com and or The Dana Farber Cancer Institute at https://www.dana-farber.org.
