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Find more Koepplin 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 42 more people named Koepplin 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 78 people named Koepplin in the 1930 U.S. Census. In 1940, there were 54% more people named Koepplin in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 120 people named Koepplin were living in the United States. In a snapshot:

  • On average men worked 51 hours a week
  • For 71 females, Lillian was the most common name
  • 35% were children
  • 2% were disabled

Learn where they came from and where they went.

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

  • 41 migrated within the United States from 1935 to 1940
  • 58% were first-generation Americans
  • Most fathers originated from Ohio
  • Most immigrants originated from Russia