POIRIER, Elizabeth A. (Richardson) of Groton, formerly of Belmont. March 21, 2020. Beloved wife of the late Lawrence Poirier Sr. Loving mother of Lawrence Poirier Jr. and his wife Simeia of Groton and the late Deborah McHugh and her late husband John. Devoted grandmother of Jacqueline Sousa of Norwell and John Paul McHugh of Charlestown. Funeral services and burial are private. For obituary, directions or to send a condolence visit www.keefefuneralhome.com