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Find more Derench 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 4 less people named Derench in the United States — and some of them are likely related to you.

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Create, build, and explore your family tree.

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 Derench in the 1930 U.S. Census. In 1940, there were 19% less people named Derench in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 17 people named Derench were living in the United States. In a snapshot:

  • 41% were children
  • On average men worked 37 hours a week
  • 7 were children
  • The average annual income was $681

Learn where they came from and where they went.

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

  • They most commonly lived in Connecticut
  • 16 were first-generation Americans
  • 24% were born in foreign countries
  • Most immigrants originated from Poland