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Find more Hartmann 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 326 more people named Hartmann 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 4,737 people named Hartmann in the 1930 U.S. Census. In 1940, there were 7% more people named Hartmann in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 5,063 people named Hartmann were living in the United States. In a snapshot:

  • 1,297 were children
  • Most common occupation was laborer
  • 26% were children
  • 180 were disabled

Learn where they came from and where they went.

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

  • They most commonly lived in New York
  • Most mothers originated from Illinois
  • The most common mother tongue was German
  • 38% were first-generation Americans