John J. "Jack" Marshall

John J. "Jack" Marshall Jr., 83, a resident of Quincy, died on Monday, August 25, 2025. Son of the late John J. Marshall Sr. and Margaret E. (O’Keefe) Marshall, he was born in Somerville on November 29, 1941 and raised in Lexington. Jack graduated from St. Mary’s High School in Waltham, Class of 1959, earned a 4 year scholarship to Boston College and received his Bachelor’s degree in in Mathematics in 1963. He raised his family in Stoughton where he was very involved in his children’s activities and sports. He moved to Quincy 35 years ago.

Jack was a high school math teacher for over 3 decades at Braintree High School and retired in 2003. He was a longtime member of the Massachusetts Teachers Association. After his retirement, he spent his winters in Englewood, FL, before returning to Quincy full time several years ago. He was an avid reader and loved using his mind, always working on crosswords or jumbles. Jack loved to talk politics, was a great storyteller who could talk to anybody and made friends easily. He enjoyed taking walks, meeting up with friends and being by the ocean. Jack was also a generous supporter of Father Bill’s House, an organization whose mission is to end and prevent homelessness in Southern Massachusetts.

Jack is survived by his children, Christopher Marshall and his wife Amy of Plymouth, Nancy Marshall of Bridgewater, Brian Marshall and his wife Susan of Canton and Julie Andersen and her husband Anthony of Aurora, CO. He was grandfather of Connor, Shane, EmmaKate, Clare, Marc, Camille and Audrey. He was the brother of Brenda Steele and her husband Robert of Falmouth and is also survived by several nieces and nephews.

At Jack's request, Funeral Services will be private. Donations in Jack’s memory may be made to Golf Fights Cancer at www.golffightscancer.org