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Find more Ostaszewski 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 19 more people named Ostaszewski 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 104 people named Ostaszewski in the 1930 U.S. Census. In 1940, there were 18% more people named Ostaszewski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 123 people named Ostaszewski were living in the United States. In a snapshot:

  • Although 46% were female, the most common name for males was Stanley
  • The typical household was 4 people
  • 31 adults were unmarried
  • The youngest was 1 and the oldest was 69

Learn where they came from and where they went.

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

  • 65 were first-generation Americans
  • The most common mother tongue was Polish
  • Most mothers originated from Poland
  • 38% were born in foreign countries