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Find more Rossa 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 50 more people named Rossa 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 570 people named Rossa in the 1930 U.S. Census. In 1940, there were 9% more people named Rossa in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 620 people named Rossa were living in the United States. In a snapshot:

  • The typical household was 3 people
  • 27% were children
  • 170 were children
  • 96% rented out rooms to boarders

Learn where they came from and where they went.

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

  • Most fathers originated from Poland
  • Most mothers originated from Poland
  • They most commonly lived in Pennsylvania
  • 54 migrated within the United States from 1935 to 1940