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Find more Olszewski 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 160 less people named Olszewski 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 2,484 people named Olszewski in the 1930 U.S. Census. In 1940, there were 6% less people named Olszewski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,324 people named Olszewski were living in the United States. In a snapshot:

  • 253 owned their homes, valued on average at $3,003
  • The average annual income was $877
  • 24% of women had paying jobs
  • Most common occupation was machinist

Learn where they came from and where they went.

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

  • 709 were born in foreign countries
  • 29% were born in foreign countries
  • 6% migrated within the United States from 1935 to 1940
  • They most commonly lived in Pennsylvania