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Find more Harlan 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 244 less people named Harlan 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 6,246 people named Harlan in the 1930 U.S. Census. In 1940, there were 4% less people named Harlan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 6,002 people named Harlan were living in the United States. In a snapshot:

  • 912 adults were unmarried
  • Although 51% were female, the most common name for males was John
  • 29% were children
  • 1,720 were children

Learn where they came from and where they went.

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

  • Most mothers originated from Illinois
  • 9% were first-generation Americans
  • They most commonly lived in California
  • Most immigrants originated from United States