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Find more Hartmus 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 23 more people named Hartmus 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 26 people named Hartmus in the 1930 U.S. Census. In 1940, there were 88% more people named Hartmus in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 49 people named Hartmus were living in the United States. In a snapshot:

  • 23% of adults were unmarried
  • The youngest was 1 and the oldest was 69
  • On average men worked 41 hours a week
  • 27% of women had paying jobs

Learn where they came from and where they went.

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

  • Most mothers originated from Ohio
  • 14% migrated within the United States from 1935 to 1940
  • The most common mother tongue was German
  • 7 migrated within the United States from 1935 to 1940