Where are they? Finding Your Ancestors'
by Karen Clifford, AG, FUGA
US Naturalization Records
Looking for an ancestor who immigrated to the United States? Naturalization records can provide the best documentation of
where and when someone came into the country, as well as where they were coming from. But if youíve ever tried to find
one of these little goldmines, you know that itís not always easy to find them.
Naturalization Records Index at MyTrees.com
MyTrees.com has teamed up with
to bring you a 3.6 million name index of naturalization records.
to search the index.
If you have searched the
Naturalization Index yet still are unable to find your immigrant ancestor's naturalization records, perhaps the
following article will help you to determine where the record might be or if it exists at all.
Here is a brief history of naturalization laws and some ideas on how to navigate those clandestine depositories of
The Constitution of the United States gave Congress the power "to establish a
uniform rule of naturalization", and Congress wasted little time in making such laws. The first federal naturalization
law was passed in 1790, and then modified in 1795 and 1798. A new law in 1802 established the basic guidelines that were
in effect until 1952.
The major requirements of this law were that an applicant reside 5 years in the United States and one year in the state
where he naturalized. He was to have filed a Declaration of Intent at least 3 years before admission as a citizen. The
applicant was to be of good moral character, take an oath of allegiance, renounce any title of nobility, and forswear
allegiance to any reigning foreign sovereign. Though Congress provided that there were certain requirements for a given
court to be able to naturalize a citizen, in practice, most states determined which of their courts could exercise this
authority and commonly there was one court designated in each county to handle naturalization procedures. That court
might have been the circuit, district, common pleas, chancery, probate, superior or any other court so designated.
Frankly, this makes it pretty confusing for a genealogist to figure out just where to find a naturalization record.
Changes in Administration
By the end of the 1800s, the naturalization process was being misused, and even abused in some areas. So Congress passed
changes to the naturalization procedures in 1906 and created the Bureau of Immigration and Naturalization to oversee the
This Bureau provided for a uniform rule for the naturalization of aliens throughout the country. The rule required that
naturalizations could only be done using the blank forms and records provided exclusively by the Bureau. With this simple
procedure, the Bureau controlled which courts were permitted to naturalize immigrants.
That supervision proved effective. The 1905 Presidential Commission on Naturalization found that 5,160 courts were, or had
been, naturalizing aliens. By 1908, only 2,244 courts were authorized. This at least cut the options down to less than
half of what it had been.
A useful listing of the courts permitted to naturalize is "A Directory of Courts Having Jurisdiction in Naturalization
Proceedings" issued by the Justice Department in 1963. This directory indicates the status (active, inactive, never
active, etc.) and indicates which courts assumed jurisdiction for those who were no longer naturalizing. It is available
on microfilm through Family
Over time, especially after 1929, the control shifted to the federal courts, and fewer state courts were permitted to
naturalize. However, even after this date some state courts were permitted to naturalize, while some federal courts never
exercised the function.
Pre-1907 Declaration of Intention
Post-1906 Declaration of Intention
Pre-1907 Petition for Naturalization
Post-1906 Petition for Naturalization
Pre-1906 Certificate of Naturalization
Post-1907 Certificate of Naturalization
There were two basic steps to the naturalization process. First, the immigrant filed a declaration of their intention to
become a citizen and then later they petitioned for naturalization. After 1906, this process included three significant
documents. These are the same three documents that have existed since at least 1802 but, since 1906, they have been
standardized and contain much more information. They are:
- The Declaration of Intention,
- The Petition for Naturalization, and
- The Certificate of Naturalization.
An immigrant may not have remembered exactly when he or she arrived (although arrivals after 1906 received a certificate
of arrival that was presented to the court when the Declaration of Intent was filed). Sometimes a nearby large city or
last residence may be named as the birth place. Generally however, the information on these records was correct.
Clearly, an immigrant did not want to risk being denied citizenship by providing false information.
Much of the information genealogists seek can be found on scanned images at
Fold3. Indexes to the images are found here at MyTrees.com.
Another genealogical site which may have some scanned natualization images is
Using the Family History Library Catalog at FamilySearch.org.
can help you locate other films which are available through interlibrary loan.
Why Canít I Find My Immigrant?
There are many reasons why people were not naturalized. Some of these reason include:
- Naturalization was not required. While non-citizens might be restricted from some activities (notably voting, and in
some cases, land ownership), many immigrants could very well live a full life in America without becoming a citizen.
- Some immigrants did not intend to remain in America. Many came to work and intended to go back to their homeland.
- With the requirement of a five-year residence, some immigrants did not live long enough to become citizens, or just
never got around to taking care of it.
- Until 1922, married women were not required to become naturalized separately.
- Minor children were not required to become naturalized, if their parent was naturalized before they turned 21 years
old. Since 1934, immigrants under 21 years of age are considered citizens after five years residence, without any
paperwork. Even children whose parents did not naturalize could, themselves, become naturalized without making a separate
Declaration of Intent.
On the other hand, the naturalization applications since 1906 have required the names and birth information of the wife
and children of the applicants. This can help you pick up the entire family if one person did naturalize. So the focus for
your work is to determine which ancestor (usually a male, head of family) likely went through the process, as the records
will be in his name.
In some situations, there may be separate documents available related to the other family members. For example, if a man
arrived as a minor and later claimed derivative citizenship based on his widowed mother's naturalization, it could take
place as late as when he was 20 1/2 years old (and therefore still a minor). In order to document his citizenship status,
he filed an "Application for Certificate of Derivative Citizenship" with the Immigration and Naturalization Service.
While such documents were not required, and not even created until 1929, they provide excellent detail about his and his
parents' births, immigration information (including related travelers and to whom they were coming), a physical
description, and even his then current employment.
There are some unique challenges associated with researching women immigrants. As noted above, until 1922 married women
were not required to be naturalized separately from their husbands. But the story of women and naturalization records is
far more complex than that.
Before 1922, women generally became citizens only when their husbands
or fathers naturalized (or when they married a US citizen). However, there were cases of women, particularly single adult
women, being granted citizenship in their own right. Remember that before the creation of the Bureau of Immigration and
Naturalization in 1906, there was a great deal of confusion about the naturalization process. There were no strict federal
standards and individual county courts were left to provide their own interpretations of naturalization laws. So, some
courts may have granted the petitions of women to naturalize, while others did not.
An act passed in 1907 stated that a womanís nationality depended entirely on her husbandís. This meant that if her husband
gained citizenship, so did she. It also meant that if a woman who had been born a US citizen married an alien, she lost
her citizenship. She could repatriate only if and when her husband naturalized.
In an article titled Women and Naturalization, Marian L. Smith discusses how womenís right to be naturalized was affected
by their right to vote. As some states began to grant women the right to vote, some men began to find that their
petitions for naturalization were denied because their wives were not eligible (for example, if their wife was unable to
speak English.) In 1922, Congress passed the Married Womenís Act, which separated a womanís nationality from her husbandís.
So, if you are searching for a female ancestor, you may or may not find naturalization records for her. There would most
likely not be records pre-1922, but itís possible. Generally, before that time a womanís proof of citizenship was her
marriage record and her husbandís naturalization certificate. After the standardization of records in 1906, a womanís
name will at least appear on her husbandís petition (it may appear on records prior to that time, but not all courts
required it). After 1922, you can confidently assume that if your female ancestor became a citizen, she had to petition
in her own name.
How to Start Research
Most researchers believe that the best place to start is with federal census records from 1900 and later. In 1900, the
census asked the year each foreign born adult came to the U.S. and if each was naturalized. The census used three codes
to indicate the naturalization status:
Do not misinterpret the year, which is listed on the census after the naturalization status. That is the year of
immigration, not the year of naturalization. Obviously, if an immigrant shows "Na" in the 1900 census, you will probably
not be seeking the new, post-1906 naturalization documents.
- "Al" for alien (meaning they had not yet begun the process),
- "Pa" for papers (meaning the Declaration of Intent was filed), and
- "Na" for those who had completed their naturalization.
Continue searching the 1910, 1920, and 1930 census records for the immigrant and their immediate family members. The 1910
census asks the same questions and uses the same abbreviations. In 1920, the census records the year of naturalization as
well as the year of immigration -- a great boon to research. In 1930, immigrants were also asked what language they
spoke before coming to the United States. If an ancestor was born in Estonia, but indicated that he spoke Croatian, it
could provide a clue to his parental heritage.
Be aware, however, that the information on census records may not be completely accurate, especially regarding dates many
years previous. The citizenship status, however, is usually correct. By obtaining several records to document the event,
the truth eventually comes out.
State Court Records
Once you have learned that an immigrant was naturalized after 1906, your goal becomes obtaining the naturalization
- Begin by searching indices for the courts where the immigrant lived the majority of his adult life.
- Start with the local courts, unless the naturalization took place after about 1930 when you would go directly to the
You will usually find records of state courts at one of three locations:
- the court itself often still has the records
- the state archives (or historical society) may have obtained them.
- the Family History Library in Salt Lake and its system of
Family History Centers has
many state court naturalization records available on microfilm.
Federal Court Records
You will also want to check the records of federal courts. Determine which federal court had jurisdiction for the area
where the immigrant lived. Contact that court to learn if they still have the naturalization records, and if they have
maintained an index. Many federal court records have been gathered to the National Archives Field Offices, so you may
need to write to the regional archives, or travel there. Many of those records have also been microfilmed by the Family
History Library as well, which means they may be sent via interlibrary loan to a local
Family History Center in your
The WPA created several indices to naturalization records during the 1930s. Often these include pre- and post-1906
naturalizations, and may include state as well as federal records. These indices often coincide with the jurisdiction of
the regional branches of the National Archives. So, for example, the Boston area archives has an excellent index to New
England naturalization records.
In fact, the Family History Library has the best collection of naturalization records in the county. Most of the films
they have made of federal records simply are not available at or through the National Archives (although copies will be
at the regional archives where the filming was done). Therefore, a trip to your local
Family History Center may be
one of the best places to begin your search. Examine the
Family History Library Catalog
for the localities of interest under the heading "Naturalization and Citizenship."
This article covers the basic foundation of information on naturalization records and where the original documents may have been filed.
We hope you will find it helpful in locating the naturalization records of your immigrant ancestors!
Karen Clifford is a well-known professional genealogist and owner of one of the largest genealogical research
companies in Utah, Genealogy Research Associates.
Illustrations provided by Aubrey Frederickson.
Copyright © 2009-2011 Karen Clifford. All rights reserved.
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