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Find more Ellefson 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 41 more people named Ellefson 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 1,067 people named Ellefson in the 1930 U.S. Census. In 1940, there were 4% more people named Ellefson in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,108 people named Ellefson were living in the United States. In a snapshot:

  • 30% were children
  • 55% owned their homes, valued on average at $2,202
  • The youngest was less than a year and the oldest was 91
  • 222 adults were unmarried

Learn where they came from and where they went.

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

  • Most mothers originated from Wisconsin
  • 15% were born in foreign countries
  • 468 were first-generation Americans
  • 20% migrated within the United States from 1935 to 1940