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Genealogy Tips

Census information and records can be an invaluable tool in genealogical research. Not only do they include basic personal facts for each respondent, but also some more detailed information that can help make connections across generations. This page contains a few tips to help amateur genealogists use census records to fill out their family trees.

  • The Census Bureau does not keep records from past censuses. Instead, all census information is transfered to the National Archives after it has been processed and tabulated. Then, as mandated by law, access to the data is restricted for 72 years it has been collected. At that time, it is made publicly available for viewing or purchase. The National Archives census records web site can be viewed here.
  • The Church of Jesus Christ of Latter Day Saints also maintains an archive of microfilm census records. This microfilm can be borrowed or viewed at LDS Family History Centers This link to a non-federal Web site does not imply endorsement of any particular product, company, or content. .
  • The only genealogical service that the Census Bureau provides is Age Search. The Age Search service provides individual information from censuses that are still protected by the 72-year rule, but only to the named person, his/her heirs, or legal representatives. There is a Congressionally-mandated fee for this service.
  • The National Archives also maintains other records that might be useful for genealogists. As with census records, this information is preserved on microfilm.
    • Immigration records, mostly from ships' manifests, provide basic demographic information about new arrivals. They are available from around 1820 through 1982.
    • Military records for service from the Revolutionary War through 1912. Records for those who served from World War I to the present are held at the National Personnel Records Center in St. Louis, Missouri. Military records can be used to collect some demographic information on veterans. Further, military pension applications often contain rich family histories provided by veterans or their widows.
  • Naturalization records can be a valuable genealogical resource, although the quality and quantity of information they provide varies greatly. Before 1906, any court of record could grant U.S. citizenship. Any pre-1906 records from state, county, or local courts will be found in state archives. Federal court records from that era are kept at the regional National Archives facility closest to that court.

    After 1906, the courts forwarded copies of naturalizations to the Immigration and Naturalization Service. These records are also kept in the National Archives regional facility closest to the court from which they came.
  • Birth, death, marriage, and divorce certificates ("vital records") have been kept by most states since the turn of the twentieth century. The National Center for Health Statistics maintains a list of contact information for each state's vital records office.


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Source: U.S. Census Bureau  |  History  |  Page Last Modified: July 08, 2008