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Find more Kuczynski 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 67 less people named Kuczynski 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 702 people named Kuczynski in the 1930 U.S. Census. In 1940, there were 10% less people named Kuczynski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 635 people named Kuczynski were living in the United States. In a snapshot:

  • 1 reported their race as other than white
  • For 306 females, Helen was the most common name
  • 177 were children
  • On average men worked 38 hours a week

Learn where they came from and where they went.

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

  • 436 were first-generation Americans
  • 62% were first-generation Americans
  • They most commonly lived in Wisconsin
  • Most immigrants originated from Poland