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Find more Ohlsen 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 59 less people named Ohlsen 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 517 people named Ohlsen in the 1930 U.S. Census. In 1940, there were 11% less people named Ohlsen in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 458 people named Ohlsen were living in the United States. In a snapshot:

  • 14% of women had paying jobs
  • 120 were children
  • 31 women had paying jobs
  • The average annual income was $1,246

Learn where they came from and where they went.

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

  • 12% migrated within the United States from 1935 to 1940
  • They most commonly lived in Illinois
  • 23% were born in foreign countries
  • Most fathers originated from Illinois