Find out which historic naturalization records are available online

You can access post-1906 state Superior Court naturalization record holdings by county on FamilySearch.org. If the historic naturalization record you're looking for isn't here, please see the links in the sidebar for more information on how to get other records from the judicial archives.

Barnstable County

• Declarations, 1907-1935
• Petitions, 1907-1933

Berkshire County

• Index, 1906-1985
• Declarations, 1906-1945
• Petitions, 1906-1945

Bristol County

• Index, 1907-1992
• Declarations, 1906-1930
• Declarations, 1931-1945
• Petitions, 1906-1945

Essex County

Lawrence

• Index, 1906-1982
• Declarations, 1920-1945
• Petitions, 1920-1945

Salem/Lynn

• Index, 1906-1982
• Declarations, 1906-1945
• Petitions, 1907-1945

Franklin County

• Index, 1906-1991
• Declarations, 1906-1945
• Petitions, 1907-1945

Hampden County

• Index, 1906-1989
• Declarations, 1906-1945
• Petitions, 1906-1945

Hampshire County

• Index, 1906-1986
• Declarations, 1906-1934
• Petitions, 1907-1934

Middlesex County

• Index, 1906-1984
• Declarations, 1906-1945
• Petitions, 1911-1945

Nantucket County

• Declarations, 1908-1945
• Petitions, 1910-1945

Norfolk County

• Index, 1906-1958

Dedham

• Declarations, 1906-1931
• Petitions, 1906-1931

Quincy

• Declarations, 1920-1937
• Petitions,  1920-1931

Plymouth County

Brockton

• Index, 1906-1984
• Certificate Index, 1907-1990
• Declarations, 1909-1945
• Petitions, 1910-1945

Plymouth

• Declarations Index, 1906-1984
• Petitions Index, 1906-1984
• Declarations, 1906-1945
• Petitions, 1907-1945

Worcester County

• Index, 1943-1978
• Declarations, 1906-1945
• Petitions, 1906-1945