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Find more Kazlowski 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 224 more people named Kazlowski 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 67 people named Kazlowski in the 1930 U.S. Census. In 1940, there were 334% more people named Kazlowski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 291 people named Kazlowski were living in the United States. In a snapshot:

  • For 154 females, Anna was the most common name
  • 2 were disabled
  • On average men worked 39 hours a week
  • 34% were children

Learn where they came from and where they went.

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

  • 63% were first-generation Americans
  • The most common mother tongue was Lithuanian
  • 11 migrated within the United States from 1935 to 1940
  • Most mothers originated from Poland