William Duer was an American lawyer and politician. In addition to serving in local offices in both California and New York, he represented New York in the United States House of Representatives from 1847 to 1851.
- Occupation
- politician, lawyer, diplomat
- Position held
- United States representative, member of the New York State Assembly
- Citizenship
- United States
- Born
- March 25, 1805
- Died
- August 25, 1879