Cynthia Marks (June 12, 1927 - July 22, 2011) was the wife of the late Irwin Marks and daughter of the late Leo T. and Ruth (Barnes) Jackson. 

She was born on June 12, 1927 in New Bedford and graduated from Acushnet public schools and New Bedford High School. She received a Bachelor of Science degree in Business from Simmons College (Class of 1948). She later joined the State Department and was assigned to the U.S. Embassy in Bogotá, Colombia, where she met her future husband, was married and had her first child.

She traveled with her husband, who was an executive for American movie companies abroad, making a home in nine different countries including Colombia, Venezuela, Peru, Argentina, France, Australia, Brazil and Spain. While abroad, she served as a volunteer librarian at various American schools and on several school committees. In Australia, she worked at the Fisher Library at Sydney University. 

Upon her husband’s retirement in 1983, she and her husband returned to Acushnet and lived there in the former Jackson family home, the house she was born in. She went back to Simmons College and in 1987 earned a Master’s degree in Library Science at the age of 59. From 1989 until 2003 she worked for the Library of the University of Massachusetts (Dartmouth), attaining the position of Assistant Librarian. 

Cynthia was active in Acushnet Citizens Together Improving Our Neighborhood, Inc (ACTION), a member of the Volunteer Council of the New Bedford Whaling Museum, the Acushnet Historical Society, the Lloyd Center for Environmental Studies, and the American Civil Liberties Union of Massachusetts. She was a founding member of the Friends of the Friends Meetinghouse and the Friends of the Russell Memorial Library. 

Upon the death of her husband Irwin Marks in 2006, Cynthia moved to New York to be close to her daughter Esther. 

Cynthia died of a brief illness on July 22, 2011.

She is survived by her son, David J. Marks of Trappe, Pennsylvania; three daughters, Elizabeth B. Marks of Sydney, Australia; Rebecca L. Marks, Esq. of Jamaica Plain, Massachusetts; Dr. Esther S. Marks, O.D. of New York; two sons-in-law Dean Novelli and Alban Horcholle, two grandchildren, Leo Byron of Sydney, Australia and Katherine Novelli of New York; two nephews, one niece and several great-nephews and great-nieces.