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Find more Rosenlof 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 1 less person named Rosenlof 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 114 people named Rosenlof in the 1930 U.S. Census. In 1940, there were 1% less person named Rosenlof in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 113 people named Rosenlof were living in the United States. In a snapshot:

  • 4 were disabled
  • 112 rented out rooms to boarders
  • 22 adults were unmarried
  • On average men worked 42 hours a week

Learn where they came from and where they went.

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

  • Most immigrants originated from Finland
  • 24% migrated within the United States from 1935 to 1940
  • The most common mother tongue was Finnish
  • They most commonly lived in Idaho