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Find more Dettloff 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 93 more people named Dettloff in the United States — and some of them are likely related to you.

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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 406 people named Dettloff in the 1930 U.S. Census. In 1940, there were 23% more people named Dettloff in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 499 people named Dettloff were living in the United States. In a snapshot:

  • The typical household was 3 people
  • For 237 females, Dorothy was the most common name
  • 84 adults were unmarried
  • Most common occupation was machinist

Learn where they came from and where they went.

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

  • Most fathers originated from New York
  • 48% were first-generation Americans
  • Most mothers originated from New York
  • They most commonly lived in Wisconsin