Westbrook,   Mary Jane Trepanier, 81, of Huntress Ave, Westbrook, passed away Thursday, March 2, at Springbrook Health Care Center.   She was born and raised in Westbrook, the daughter of Ernest and Alice (Delcourt) Dandeneau. She worked at S.D. Warren Paper Co and for Devonshire Manor for several years.   Mary was predeceased by her husband Victor ,a son Mark Trepanier, and her sisters Gloria Plumber, Teresa Cloutier and Veronica Exchange . She is survived by a son Dana Trepanier of Westbrook; two daughters Brenda Trepanier of Westbrook and Rhonda Trepanier of Portland; grandchildren Joey and David Wescott, and Alex, Alicia, and Tyler Trepanier; great grandchildren Brook and Thatcher; and her brother Ernest Dandeneau of Westbrook..   Visiting hours will be from 4 to 6 PM Tuesday, March 7, followed by a funeral service at 6 PM at Blais & Hay Funeral Home, 35 Church St., Westbrook. Spring burial will be in St. Hyacinth Cemetery. On line condolences may be expressed at blaisandhayfuneralhome.com.