State treasurers of Massachusetts

Timothy Patrick Cahill (born December 1, 1958) is an American former politician who served as Massachusetts Treasurer and Receiver-General and was an independent candidate in the 2010 Massachusetts gubernatorial election.

Shannon Patricia Elizabeth O'Brien (born April 30, 1959) is an American politician and attorney who served in the Massachusetts House of Representatives from 1987 through 1993, in the Massachusetts Senate from 1993 through 1995, and was the Massachusetts state treasurer from 1999 through 2003. In that last position she became the first woman to be elected in Massachusetts to statewide office by her own accord. She was the Democratic Party nominee in the 2002 Massachusetts gubernatorial election, but lost in the general election to Mitt Romney.