*In general election
*In general election
*No longer in office
**Supported in 2000 and 2002
***Supported in 2004 and 2006
****Supported in 2006 and 2008
+ in 2009, Rep. Gillibrand was appointed to the U.S. Senate to fill the vacancy left by Senator Clinton; in 2012, Rep. Tammy Baldwin was elected to the U.S. Senate
* Second endorsement of a candidate