Lois I. (Harney) Vaughan of Arlington died on September 13, 2020. She was the beloved wife of the late Robert S. Vaughan. Loving mother of John S. Vaughan and his wife Maryann of Wells, Maine; Kathy Felton of Farmington, New Hampshire; Patricia Vaughan of Billerica; Paul Vaughan of Billerica; Laurie Meurer of Billerica; Robert C. Vaughan of Woburn; and Linda Vaughan and her husband Tom Sydell of Framingham. Loving grandmother of eight and great-grandmother of five. Also survived by many loving nieces and nephews. Family and friends gathered in Shawsheen Funeral Home on Friday, September 18, 2020 to remember Lois. Donations in Lois's memory to Alzheimer's Research Foundation are appreciated (https://www.alzheimersresearchfoundation.com/).