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Find more Delap 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 213 less people named Delap 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 741 people named Delap in the 1930 U.S. Census. In 1940, there were 29% less people named Delap in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 528 people named Delap were living in the United States. In a snapshot:

  • 24 were disabled
  • 133 were children
  • On average men worked 44 hours a week
  • Although 48% were female, the most common name for males was George

Learn where they came from and where they went.

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

  • The most common mother tongue was German
  • They most commonly lived in Illinois
  • Most immigrants originated from Canada
  • 10% were first-generation Americans