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Find more Kosar 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 54 less people named Kosar 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 391 people named Kosar in the 1930 U.S. Census. In 1940, there were 14% less people named Kosar in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 337 people named Kosar were living in the United States. In a snapshot:

  • 29% were children
  • They typically took 9 weeks of vacation a year
  • On average men worked 40 hours a week
  • 45 owned their homes, valued on average at $3,189

Learn where they came from and where they went.

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

  • Most mothers originated from Poland
  • Most immigrants originated from Czechoslovakia
  • 122 were born in foreign countries
  • Most fathers originated from Poland