Kathleen M. O'Brien Obituary
With solemn hearts, we announce the passing of Kathleen M. O'Brien (Millbury, Massachusetts), whose presence will be deeply missed, having departed on December 31, 2025. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her son Patrick O'Brien; and her parents, Richard Fox and Ed (Patricia Fox). She is survived by: her husband John O'Brien; her sons, Jack and Tucker O'Brien; her daughter-in-law Rachel; her grandson-in-law Benjamin; her siblings, Richard Fox, Jr. and Beth Pallesen (Keith Pallesen); her nibling Brierly Wills; her pets, Bella and Rosie; Jennifer.
In addition to or as an alternative to flowers, please consider making a donation to the Dana-Farber Cancer Institute in memory of Kathy to support cancer research and patient care at: Dana-Farber Cancer Institute, P.O. Box 849168 Boston, MA 02284 or via dana-farber.org/gift.
