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Find more Karr 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 409 more people named Karr 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 4,426 people named Karr in the 1930 U.S. Census. In 1940, there were 9% more people named Karr in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 4,835 people named Karr were living in the United States. In a snapshot:

  • 581 owned their homes, valued on average at $2,919
  • The typical household was 3 people
  • 4,647 rented out rooms to boarders
  • They typically took 9 weeks of vacation a year

Learn where they came from and where they went.

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

  • 292 were born in foreign countries
  • Most fathers originated from Illinois
  • Most immigrants originated from Russia
  • The most common mother tongue was Swedish