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Find more Koczin 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 Koczin in the United States — and some of them are likely related to you.

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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 11 people named Koczin in the 1930 U.S. Census. In 1940, there were 45% less people named Koczin in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 6 people named Koczin were living in the United States. In a snapshot:

  • 100%, or 1 person, lived in homes they rented
  • Most common occupation was sales clerk
  • 17% were disabled
  • The youngest was 19 and the oldest was 52

Learn where they came from and where they went.

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

  • 45% were born in foreign countries
  • They most commonly lived in Illinois
  • 6 were first-generation Americans
  • 5 were born in foreign countries