Minnesota Historical Society

Naturalization Record Request

Price is based on the options you select. See your price below.

For this research service, Library Staff will search for one individual per request, and will look for both First and Final Papers.  

$12 for MN residents
$15 for non-MN residents
Standard mailing and copying fees are included in the price
Digital delivery via email: $3 additional 
MNHS Members receive 10% discount at checkout

Turnaround: Usually ships within 30 business days.

About This Research Service:   MNHS holds naturalization records from all 87 Minnesota District (County) Courts and the Minnesota Supreme Court.  For most counties, these records date from the 1850s through the 1940s.  The usual process had two parts: a Declaration of Intent (First Papers) and a Petition for Naturalization (Final Papers).  

Most people filed their naturalization paperwork in their county of residence, but if you know or suspect that the immigrant would have traveled elsewhere to file, please provide that information in the Order Comments box. 

Minors were very rarely individually naturalized; they took their citizenship from their parents. Also, most women were not naturalized in their own right until 1922. Prior to that year, a woman was considered to be naturalized if her husband received his citizenship.

After the county courts stopped granting citizenship in the 1970s, all naturalizations went through the federal courts.  MNHS does not have federal records.  Historic records filed with federal courts in Minnesota are held by the National Archives regional offices in Chicago and Kansas City.  

Modern citizenship records are held by the U.S. Citizenship and Immigration Services office, a part of the Department of Homeland Security.  If you need an official copy of your own records, please request a copy through their office.  


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