Ruth Marilyn (McKeown) Sartori, age 86, of Lincoln, formerly of Cambridge passed away peacefully surrounded by her family on September 17, 2018. Ruth was born on June 22, 1932 in Cambridge. She is survived by her son Thomas Sartori, his wife Susan, daughter Louise Sartori Hery, her husband Bill, son James Sartori, daughter Gail Sartori, daughter Mary Blanchette and her husband Chris, daughter Elisa Sartori, son Louis Robert Sartori, Jr., and his wife Nicole, and daughter Brenda Perachi and her husband Chris. Ruth had 22 beloved grandchildren and four great grandchildren. She was the caring daughter of the late Roger and Mary McKeown, dear sister of Helen Labo and Michael McKeown and the late Madeline Doody and Robert McKeown, and dear sister-in-law of Rose Dozois of Arlington. Ruth is survived by many nieces and nephews. Ruth will be greatly missed by her beloved cat, KiKi. Ruth was a teacher's assistant for the Town of Lincoln's school system for over thirty years, and a very devoted fan of all Boston sports. She was an amazing woman, mother, grandmother, great grandmother, sister, aunt, friend and educator. Family and friends will gather for visiting hours on Thursday, September 20th from 4 to 8 pm in the Dee Funeral Home, 27 Bedford Street, Concord Center. Her funeral Mass will be celebrated on Friday, September 21st at 10 am in St. Joseph Church, 142 Lincoln Road, Lincoln. Burial will follow at Lincoln Cemetery. In lieu of flowers, donations in her memory may be made to St. Jude Children's Research Hospital, 501 St. Jude Place, Memphis, TN 38105 (www.stjude.org). Arrangements are under the care of Dee Funeral Home & Cremation Service of Concord.