Town Directories, 1869 to 1942
Directories of Watertown businesses and residents were produced by a variety of publishers from 1869 to 1942.
Poll Tax Reports, 1897 to 1929
The Town Assessors compiled lists of Watertown residents for a poll tax. These lists, issued sporadically from 1897 to 1929, include the names, ages, occupations, and addresses of voters.

Resident Lists, 1939 to Present
The library has digitized resident lists created over the years to facilitate elections in Watertown.