# Deborah Senn

Deborah Mandel Senn (March 8, 1949 – February 18, 2022) was an American lawyer and politician of the Democratic Party. She was the 7th Washington Insurance Commissioner for two terms from 1993 to 2001. In 2000, in lieu of running for re-election, she ran for the U.S. Senate, losing in the Democratic primary election to Maria Cantwell. In 2004, she unsuccessfully ran for Attorney General, narrowly defeating Mark Sidran by less than 10,000 votes in the primary, but losing to Rob McKenna in the general election. Senn also has been partner in a law firm. She is a first cousin, once-removed of current Washington State Representative Tana Senn.
Deborah Senn was raised in Chicago's South Shore neighborhood. Senn served as chief counsel in Illinois Governor James R. Thompson's Office of Consumer Services.

## Electoral history

Washington Attorney General, 2004 General Election :
| Party | Candidate | Votes | % |
| Republican | Rob McKenna | 1,425,368 | 52.98 |
| Democratic | Deborah Senn | 1,163,964 | 43.27 |
| Libertarian | J. Bradley Gibson | 56,792 | 2.11 |
| Green | Paul Richmond | 44,020 | 1.64 |
Washington Attorney General, 2004 Democratic Primary Election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Deborah Senn | 365,922 | 50.68 | |
| | Democratic | Mark Sidran | 356,125 | 49.32 | |
U.S. Senator, Class 1, from Washington, 2000 Democratic Primary Election :
| Party | Candidate | Votes | % |
| Democratic | Maria Cantwell | 472,609 | 70.55 |
| Democratic | Deborah Senn | 168,110 | 25.10 |
| Democratic | Barbara Lampert | 15,150 | 2.26 |
| Democratic | Robert Tilden Medley | 14,009 | 2.09 |
Washington state Insurance Commissioner, 1996 General Election :
| Party | Candidate | Votes | % | ±% |
| Democratic | Deborah Senn | 1,163,832 | 55.36 | +5.21 |
| Republican | Anthony "Tony" Lowe | 872,280 | 41.49 | |
| Natural Law | Steve Sevick | 66,348 | 3.16 | |
Washington state Insurance Commissioner, 1996 Democratic Primary Election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Deborah Senn | 571,167 | 100.00 | +37.02 |
Washington state Insurance Commissioner, 1992 General Election :
| Party | Candidate | Votes | % | ±% |
| Democratic | Deborah Senn | 1,049,231 | 50.15 | |
| Republican | Richard G. "Dick" Marquardt (incumbent) | 894,551 | 42.76 | −13.72 |
| Independent | Brian McCulloch | 148,280 | 7.09 | |
Washington state Insurance Commissioner, 1992 Democratic Primary Election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Deborah Senn | 284,083 | 62.98 | |
| | Democratic | Marj Wilkerson | 166,988 | 37.02 | |
Washington State Senate, 37th Legislative District, 1990 Democratic Primary Election :
| Party | Candidate | Votes | % |
| Democratic | Dwight Pelz | 2,977 | 30.92 |
| Democratic | Deborah Senn | 2,355 | 24.46 |
| Democratic | Steve Shulman | 1,936 | 20.11 |
| Democratic | Walt Hubbard | 1,371 | 14.24 |
| Democratic | Dee Anderson | 899 | 9.34 |
| Democratic | Robert J. May | 91 | 0.95 |
Illinois General Assembly, 3rd District, 1982 Democratic Primary Election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Lee Preston | 8,053 | 56.33 | |
| | Democratic | Deborah Mandel Senn | 6,243 | 43.67 | |