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Find more Nicolaisen relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family. For example, from 1930 to 1940 there were 30 more people named Nicolaisen in the United States — and some of them are likely related to you.

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Create, build, and explore your family tree.

What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus. There were 179 people named Nicolaisen in the 1930 U.S. Census. In 1940, there were 17% more people named Nicolaisen in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 209 people named Nicolaisen were living in the United States. In a snapshot:

  • 41 adults were unmarried
  • 56 were children
  • 4% were disabled
  • They typically took 8 weeks of vacation a year

Learn where they came from and where they went.

As Nicolaisen families continued to grow, they left more tracks on the map:

  • Most fathers originated from Germany
  • They most commonly lived in California
  • The most common mother tongue was Danish
  • Most immigrants originated from Denmark