Karen Christine (Heffron) Bartlett, 63, of Marlborough, died Wednesday, May 22, 2024, at her home.

 She was the daughter of the late Leo and Shirley (Fullerton) Heffron. She was predeceased by her son Brian J. Mara who died in 2021.

Karen is survived by her husband of 15 years, Christopher Bartlett, her sons, Scott Mara of Lancaster and Jeffrey Mara and his wife Erin of Shrewsbury, her grandchildren Elijah Mara and Travis Mara, her brothers, Brian Heffron and his wife Janet of Moultenborough, NH, Craig Heffron of Waltham and Todd Heffron and his wife Betsy of Waltham.

Visiting hours for Karen will be held Wednesday, June 5, 2024, from 5:00-7:00 pm at the Slattery Funeral Home, Inc., 40 Pleasant Street, Marlborough, MA 01752. A private burial will be held by the family at a later date.