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Find more Sierakowski 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 24 more people named Sierakowski 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 144 people named Sierakowski in the 1930 U.S. Census. In 1940, there were 17% more people named Sierakowski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 168 people named Sierakowski were living in the United States. In a snapshot:

  • 3% were disabled
  • 23% of adults were unmarried
  • Although 45% were female, the most common name for males was Robert
  • 32% were children

Learn where they came from and where they went.

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

  • The most common mother tongue was Polish
  • Most fathers originated from Poland
  • 58% were first-generation Americans
  • Most mothers originated from Poland