Sidney Willard was an American academic and politician who served in the Massachusetts House of Representatives, on the Massachusetts Governor's Council and as the second Mayor of Cambridge, Massachusetts.
- Occupation
- politician, linguist, librarian, educator
- Position held
- member of the Massachusetts House of Representatives, Harvard University Librarian
- Citizenship
- United States
- Born
- September 19, 1780
- Died
- December 6, 1856