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Find more Petras 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 71 more people named Petras 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 870 people named Petras in the 1930 U.S. Census. In 1940, there were 8% more people named Petras in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 941 people named Petras were living in the United States. In a snapshot:

  • 30% were children
  • 101 owned their homes, valued on average at $3,211
  • 280 were children
  • 6 reported their race as other than white

Learn where they came from and where they went.

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

  • Most mothers originated from Hungary
  • 308 were born in foreign countries
  • They most commonly lived in Pennsylvania
  • 12% migrated within the United States from 1935 to 1940