Lehane, Mary G. of Weymouth, passed away peacefully surrounded by her loving family on February 1, 2026 at the age of 80. Cherished sister of Helen Hillier of Woburn, Sheila Allendorf and her late husband, Richard, of Walpole, and the late Joseph Lehane, Peter D.Lehane and his late wife Anne Lehane, and Richard Lehane. She was a beloved aunt to many nieces and nephews, and a proud great-aunt to numerous grandnieces and grandnephews, all of whom brought great joy to her life. Relatives and friends are respectfully invited to greet the family during the visitation on Friday March 13th, from 9 AM-10 AM in the McDonald Keohane Funeral Home SOUTH WEYMOUTH at 809 Main Street (Rte 18 opp. So. Shore Hospital), followed by her Funeral Mass at 10:30 AM at Sacred Heart Church, 72 Washington St. Weymouth. In lieu of flowers, donations may be made to Beth Israel Lahey Hospital at Home with a directive to Sawtelle Family Hospice House at Support BILH At Home - Beth Israel Lahey Health.