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Find more Kocolowski 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 22 more people named Kocolowski 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 43 people named Kocolowski in the 1930 U.S. Census. In 1940, there were 51% more people named Kocolowski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 65 people named Kocolowski were living in the United States. In a snapshot:

  • On average men worked 42 hours a week
  • 26% of adults were unmarried
  • 7 women had paying jobs
  • Most common occupation was craneman

Learn where they came from and where they went.

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

  • 4 migrated within the United States from 1935 to 1940
  • Most immigrants originated from Poland
  • 26 were first-generation Americans
  • They most commonly lived in Michigan