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Find more Kozenka 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 6 more people named Kozenka 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 9 people named Kozenka in the 1930 U.S. Census. In 1940, there were 67% more people named Kozenka in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 15 people named Kozenka were living in the United States. In a snapshot:

  • The average annual income was $719
  • 4 adults were unmarried
  • For 9 females, Anna was the most common name
  • On average men worked 42 hours a week

Learn where they came from and where they went.

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

  • 33% were born in foreign countries
  • They most commonly lived in Wisconsin
  • 3 were born in foreign countries
  • 13% migrated within the United States from 1935 to 1940