Jean M. O’Brien died at Alliance Healthcare in Braintree on Dec. 21.

She was a retired administrative assistant at New England Electric System in Westborough and at St. Mary of the Hills School in Milton.

Daughter of the late George A. O’Brien and Catherine M. (Curran) O’Brien, she is survived by her brother, George A. O’Brien Jr., of Braintree; and many nieces, nephews, grandnieces and grandnephews.

She was the sister of the late Isabel C. Griffin.

A funeral Mass was celebrated in St. Mary of the Hills Church on Dec. 27. Burial was in Milton Cemetery.

Donations may be made to St. Mary of the Hills School, Attention: Mary Jane Campbell, 250 Brook Road, Milton, MA 02186.
Arrangements were by the Alfred D. Thomas Funeral Home.