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Find more Kosinski 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 86 more people named Kosinski 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 1,096 people named Kosinski in the 1930 U.S. Census. In 1940, there were 8% more people named Kosinski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,182 people named Kosinski were living in the United States. In a snapshot:

  • The youngest was less than a year and the oldest was 86
  • 27% of women had paying jobs
  • They typically took 10 weeks of vacation a year
  • 34% of adults were unmarried

Learn where they came from and where they went.

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

  • 671 were first-generation Americans
  • 6% migrated within the United States from 1935 to 1940
  • Most immigrants originated from Poland
  • Most fathers originated from Poland