Democratic Party Massachusetts state senators

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.

Nancy Elaine Achin Sullivan (January 20, 1959 – February 25, 2022) was an American Republican politician from Lowell, Massachusetts. She represented the 1st Middlesex district in the Massachusetts Senate from 1991 to 1993 and was a Democrat. She retired after a single term because she was undergoing chemotherapy to treat breast cancer.Sullivan was born in Lowell, Massachusetts, on January 20, 1959. A four-time cancer survivor, she served as executive director of the Massachusetts Board of Registration in Medicine from 1999 until 2008. Sullivan went to the Academy of Notre Dame in Lowell, Massachusetts and to Radcliffe College. She died in Andover, Massachusetts, on February 25, 2022, at the age of 63.