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Find more Kosisko 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 2 less people named Kosisko 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 21 people named Kosisko in the 1930 U.S. Census. In 1940, there were 10% less people named Kosisko in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 19 people named Kosisko were living in the United States. In a snapshot:

  • 40% of adults were unmarried
  • The youngest was 1 and the oldest was 45
  • 19 rented out rooms to boarders
  • On average men worked 24 hours a week

Learn where they came from and where they went.

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

  • Most fathers originated from Pennsylvania
  • 57% were first-generation Americans
  • 12 were first-generation Americans
  • They most commonly lived in Pennsylvania