Fox was the Massachusetts state representative for the 7th Suffolk district, consisting of precincts 8, 9 and 10 of ward 4, precinct 4 of ward 8, precincts 4 and 5 of ward 9, precinct 4 of ward 10, precinct 1 of ward 11, precincts 1, 2, 3, 4, 5, 8 and 9 of ward 12, and precinct 1 of ward 21, of the city of Boston, in the county of Suffolk.