Federal censuses can be helpful in finding people.  These are available on the internet.

Always check with the New England Historic Genealogy Society

Biographies of many former Dorchester residents can be found on the Dorchester Atheneum website

Personal histories are a valuable source of information about life in Dorchester. For some personal histories supplied by Dorchester residents, read more here.

In addition Boston Directories are helpful in tracing people.  The Society does not own directories, but the Library in the Massachusetts State House has a good collection.

Voting lists may be helpful.  These are available on the Boston Public Library's website

The Dorchester Historical Society owns Dorchester Blue Books that show residents who were willing to be listed in both street order and alphabetical order.  The Society owns the following years:  1885-86, 1894, 1896, 1900,  1902, 1904, 1906, 1908, 1910, 1913 (includes Roxbury), 1915

Additional information