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Find more Ratajczak 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 91 more people named Ratajczak 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 616 people named Ratajczak in the 1930 U.S. Census. In 1940, there were 15% more people named Ratajczak in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 707 people named Ratajczak were living in the United States. In a snapshot:

  • The youngest was 1 and the oldest was 87
  • 33% of adults were unmarried
  • 216 were children
  • 1 reported their race as other than white

Learn where they came from and where they went.

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

  • 372 were first-generation Americans
  • Most fathers originated from Wisconsin
  • They most commonly lived in New York
  • 122 were born in foreign countries