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Find more Derry 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 381 more people named Derry 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 2,139 people named Derry in the 1930 U.S. Census. In 1940, there were 18% more people named Derry in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,520 people named Derry were living in the United States. In a snapshot:

  • 7% were disabled
  • 422 reported their race as other than white
  • Although 50% were female, the most common name for males was John
  • 228 women had paying jobs

Learn where they came from and where they went.

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

  • The most common mother tongue was Swedish
  • 383 were first-generation Americans
  • 18% were first-generation Americans
  • 16% migrated within the United States from 1935 to 1940