She was born in Lowell on Jan. 20, 1955, a daughter of Henry A. Antonelli, Sr. and Lorraine (Regan) Antonelli of Bedford, N.H. She graduated from Lowell High School.
Mrs. Lofstrom lived in Lowell, and then resided in Derry for four years before moving to Bedford 14 years ago.
Mrs. Lofstrom had worked for 13 years at Hannaford Brothers' Colby Court store in Bedford, in a number of capacities, most recently as a pharmacy technician.
She was a parishioner of Saint Elizabeth Seton Church in Bedford.
Mrs. Lofstrom enjoyed cheering on her son Garrett at his sporting events, including basketball, baseball, soccer, and golf.
She was an avid fan of basketball and had been looking forward to joining the West High School Booster Club next year, when her son became a freshman.
Mrs. Lofstrom loved spending time at the beach, including evening walks with her husband.
Besides her husband and her parents, she is survived by a son, Garrett Ian Lofstrom of Bedford, N.H.; a stepson, Derek Dean Lofstrom of Bedford, N.H.; two sisters, Catherine J. Antonelli of Portsmouth, and Sharon L. Gray of Hudson, N.H.; a brother, Henry A. Antonelli, Jr. of Lowell; a nephew, Jonathan Gray of Hudson, N.H. She also leaves several aunts, uncles, cousins and many friends.
She was the sister of Patricia L. Antonelli, who died in 1999, and Linda M. Antonelli, who died in 1988.