Pereira, Mary L. (Sousa) of Cambridge on October 22. Wife of the late Jeremias P. "Jimmy" Pereira. Loving mother of Teresa Benoit, Laurinda DiVecchia, Joanne Furtado, Maryanne DaRosa, James, John and Joseph Pereira. Sister of Alvaro and Richard Sousa.Also survived by 16 grandchildren, 7 great grandchildren, nieces, nephews and other loving relatives and friends. Funeral from The Rogers Funeral Home, 380 Cambridge St., Cambridge, Tuesday at 9 am followed by a funeral mass in St. Benedicts Church, Somerville at 10 am. Visiting hours will be on Monday from 4 to 8 pm. All friends and relatives are welcome to attend.