Looking for Information on Spence

My mother (Nancy A. Fosty) madian name was Spence. She told me she was born in Worcester, MA. She was the daughter of Patrick & Rose or Rose Ann Dunn Spence. Brother died around the age of 10. My mother passed away in 1984, she was 57. Date of Birth was January 22, 1927. She married my father Andrew Fosty, in 1947.