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Find more Duper 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 258 more people named Duper 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 49 people named Duper in the 1930 U.S. Census. In 1940, there were 527% more people named Duper in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 307 people named Duper were living in the United States. In a snapshot:

  • 51 adults were unmarried
  • 25% of adults were unmarried
  • The youngest was 1 and the oldest was 89
  • Although 55% were female, the most common name for males was William

Learn where they came from and where they went.

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

  • Most mothers originated from Ohio
  • Most fathers originated from Ohio
  • 19 were first-generation Americans
  • 39% were first-generation Americans