| Birth Name: | Marguerite R. Fay |
| Occupation: | State Legislator (1949-1952) |
Marguerite R. Fay (died July 9, 1962) was an American politician from Maine. A Republican, Longstaff represented Portland, Maine in the Maine House of Representatives from 1949 to 1952 (94th-95th Legislatures).[1] During the 94th Legislature, Fay was one of three women elected to the House of Representatives. Marion L. Longstaff and Lucia M. Cormier were the others.[2]