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Find more Lorensen 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 367 more people named Lorensen 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 424 people named Lorensen in the 1930 U.S. Census. In 1940, there were 87% more people named Lorensen in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 791 people named Lorensen were living in the United States. In a snapshot:

  • 208 were children
  • The typical household was 3 people
  • 768 rented out rooms to boarders
  • They typically took 9 weeks of vacation a year

Learn where they came from and where they went.

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

  • They most commonly lived in New York
  • Most fathers originated from Iowa
  • 148 migrated within the United States from 1935 to 1940
  • Most immigrants originated from Denmark