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Find more Boulen 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 8 less people named Boulen in the United States — and some of them are likely related to you.

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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 20 people named Boulen in the 1930 U.S. Census. In 1940, there were 40% less people named Boulen in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 12 people named Boulen were living in the United States. In a snapshot:

  • 5 adults were unmarried
  • 3 were children
  • 100%, or 1 person, lived in homes they rented
  • 56% of adults were unmarried

Learn where they came from and where they went.

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

  • Most immigrants originated from Denmark
  • They most commonly lived in South Dakota
  • 15% were born in foreign countries
  • 3 were born in foreign countries