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Find more Kozloff 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 21 more people named Kozloff 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 79 people named Kozloff in the 1930 U.S. Census. In 1940, there were 27% more people named Kozloff in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 100 people named Kozloff were living in the United States. In a snapshot:

  • 2% were disabled
  • They typically took 11 weeks of vacation a year
  • 29% of adults were unmarried
  • 93 rented out rooms to boarders

Learn where they came from and where they went.

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

  • The most common mother tongue was Russian
  • Most immigrants originated from Russia
  • Most fathers originated from Russia
  • 10 migrated within the United States from 1935 to 1940