Doris Haddock was born on 24 January 1910 in Laconia, New Hampshire, USA. She was married to James Haddock. She died on 9 March 2010 in Dublin, New Hampshire, USA.
In 1999, at age 89, she walked from Pasadena, California to Washington D.C. to call attention to campaign finance reform, then ran for the U.S. Senate at age 94 in 2004 against Judd Gregg.