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Find more Dettmer 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 105 more people named Dettmer 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 747 people named Dettmer in the 1930 U.S. Census. In 1940, there were 14% more people named Dettmer in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 852 people named Dettmer were living in the United States. In a snapshot:

  • The youngest was less than a year and the oldest was 90
  • 48 were disabled
  • For 420 females, Anna was the most common name
  • 59% owned their homes, valued on average at $3,093

Learn where they came from and where they went.

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

  • 281 were first-generation Americans
  • The most common mother tongue was German
  • 38% were first-generation Americans
  • 15% were born in foreign countries