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Find more Marcinowski 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 8 more people named Marcinowski 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 139 people named Marcinowski in the 1930 U.S. Census. In 1940, there were 6% more people named Marcinowski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 147 people named Marcinowski were living in the United States. In a snapshot:

  • 5 were disabled
  • 4% were disabled
  • For 74 females, Helen was the most common name
  • Although 50% were female, the most common name for males was Frank

Learn where they came from and where they went.

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

  • The most common mother tongue was Polish
  • 58% were first-generation Americans
  • 50 were born in foreign countries
  • 36% were born in foreign countries