Theriault, Ann Marie (O’Keefe) of Leominster, formerly of Arlington, February 9, 2018. Beloved wife of Albert E. Theriault Jr. Devoted mother of Leo Theriault of NC, Cheryl Acampora and Renee Rux, both of Lunenburg, Kimberly Childers, her husband Frank of Windham, NH, Shawna Timperio, her husband Ron of Milford, Denise Ashlaw, and her husband Colin of CA. Loving grandmother of Cole, Holly, Noah, Riley, Julia, Madison, Caden, Emerson, Jack, Klara and Sinead. Sister of Thomas O’Keefe, his wife Carol of Arlington and Richard O’Keefe, and his wife Sharon of Winchester. Further survived by many loving nieces and nephews. A funeral mass will be held in St. Agnes Church, 30 Medford St. Arlington, Thursday February 15th at 10 AM. Relatives and friends are respectfully invited to attend. Visiting hours have respectfully been omitted. Interment will be private.