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Find more Piotrowski 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 28 more people named Piotrowski 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 1,992 people named Piotrowski in the 1930 U.S. Census. In 1940, there were 1% more person named Piotrowski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,020 people named Piotrowski were living in the United States. In a snapshot:

  • The typical household was 3 people
  • On average men worked 41 hours a week
  • 446 adults were unmarried
  • 28% were children

Learn where they came from and where they went.

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

  • The most common mother tongue was Polish
  • Most immigrants originated from Poland
  • Most mothers originated from Germany
  • 29% were born in foreign countries