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Find more Kortman 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 9 more people named Kortman 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 225 people named Kortman in the 1930 U.S. Census. In 1940, there were 4% more people named Kortman in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 234 people named Kortman were living in the United States. In a snapshot:

  • On average men worked 45 hours a week
  • 28 adults were unmarried
  • 96% rented out rooms to boarders
  • The youngest was less than a year and the oldest was 83

Learn where they came from and where they went.

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

  • Most immigrants originated from Germany
  • Most mothers originated from Germany
  • 9% migrated within the United States from 1935 to 1940
  • 106 were first-generation Americans