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Find more Derlak 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 Derlak 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 11 people named Derlak in the 1930 U.S. Census. In 1940, there were 18% less people named Derlak in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 9 people named Derlak were living in the United States. In a snapshot:

  • 33% of women had paying jobs
  • 33% of adults were unmarried
  • 3 were children
  • Although 33% were female, the most common name for males was Mike

Learn where they came from and where they went.

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

  • 45% were first-generation Americans
  • The most common mother tongue was Polish
  • They most commonly lived in New Jersey
  • 55% were born in foreign countries