Mary Elizabeth Althoff of Cambridge died on Friday, October 9, 2026. She was 65.
Born in Beverly to William and Barbara (Quinn) David, both of whom died before her, she is remembered by her family for her compassion, for years of AIDS outreach and for speaking openly about addiction and her own recovery in a way that helped other people find theirs.
Her husband, David O’Regan, survives her in Cambridge, along with a daughter, Emily David, a niece, Amber David, and a brother-in-law, James Maggiacomo, in Salem. A brother, Bruce David, and a sister, Darlene Maggiacomo, known as D, died before her.
Services are private. Contributions toward her funeral arrangements may be made through the Campbell Funeral Home, 525 Cabot Street, Beverly.
Compiled from information published by Campbell Funeral Home. Photograph courtesy of the family via Campbell Funeral Home. This is our own summary, not the family’s obituary; read the full obituary and leave a condolence at the funeral home’s page on Legacy.com. Corrections: we will fix any error promptly.
