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Find more Koterski 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 5 less people named Koterski 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 15 people named Koterski in the 1930 U.S. Census. In 1940, there were 33% less people named Koterski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 10 people named Koterski were living in the United States. In a snapshot:

  • 2 owned their homes, valued on average at $4,000
  • The youngest was 23 and the oldest was 62
  • The typical household was 1 person
  • They typically took 2 weeks of vacation a year

Learn where they came from and where they went.

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

  • 27% were born in foreign countries
  • 4 were born in foreign countries
  • They most commonly lived in Michigan
  • Most immigrants originated from Poland