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Find more Kowalcyk 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 42 more people named Kowalcyk 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 44 people named Kowalcyk in the 1930 U.S. Census. In 1940, there were 95% more people named Kowalcyk in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 86 people named Kowalcyk were living in the United States. In a snapshot:

  • 33% of adults were unmarried
  • 2 were disabled
  • 3% were disabled
  • The average annual income was $792

Learn where they came from and where they went.

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

  • Most immigrants originated from Poland
  • 3 migrated within the United States from 1935 to 1940
  • 32% were born in foreign countries
  • The most common mother tongue was Polish