[1] The 3rd Middlesex district, which includes the towns of Bolton, Hudson, Maynard and Stow, was represented for 24 years by Patricia Walrath, who decided not to seek re-election in 2008.

[3] She went on to face two opponents in the general election on November 4, narrowly besting the Republican nominee, Hudson selectman Sonny Parente, by 10,156 votes to 9,281.

[4] She ran for re-election in 2010, facing no Republican opponent and taking 60% of the vote against an Independent.

She donated the $3,000 increase in legislative salaries to the local libraries in Bolton, Hudson, Maynard and Stow.

[1] On February 26, 2015, Speaker Robert DeLeo appointed Hogan as Chair of the Joint Committee on Public Health.