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Find more Kaczmark 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 48 more people named Kaczmark 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 47 people named Kaczmark in the 1930 U.S. Census. In 1940, there were 102% more people named Kaczmark in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 95 people named Kaczmark were living in the United States. In a snapshot:

  • For 47 females, Rose was the most common name
  • 93 rented out rooms to boarders
  • 13 adults were unmarried
  • 44% owned their homes, valued on average at $2,138

Learn where they came from and where they went.

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

  • 5 were born in foreign countries
  • 3% migrated within the United States from 1935 to 1940
  • The most common mother tongue was Polish
  • 11% were born in foreign countries