SANTOSUOSSO, Dorothy A. “Dottie”, of Somerville, formerly of Arlington, passed peacefully at the age of 66 on January 23, 2022. Beloved daughter of Gladys Santosuosso of Arlington, and the late Dominic Santosuosso. Loving sister of Robert and his wife Giulia of Tewksbury, Dominic, Jr. and his wife Gloria of FL, Mary Russo and her husband Anthony of Billerica, Stephen of Arlington, and Janet Grossman and her husband Matthew, and their daughter Brooke of Derry, NH. She is predeceased by her sister Joanne Santosuosso. She leaves behind many loving nieces, nephews, relatives and her dear friend Sheila and her family. Her Funeral Mass will be celebrated in St. Agnes Church, 30 Medford Street, Arlington, on Monday, January 31st at 11:30am. Visiting Hours will be held in the Keefe Funeral Home, 5 Chestnut Street, ARLINGTON, before Mass from 9:30am-11am. Masks will be required in the funeral home and in the church. Burial will follow in Calvary Cemetery, Winchester. In lieu of flowers, donations in Dottie’s memory may be made to the Susan G. Komen Foundation, 3770 Noel Road, Suite 801889, Dallas, TX 75380.