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You've got family at Ancestry.

Find more Denis 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 127 more people named Denis 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 1,964 people named Denis in the 1930 U.S. Census. In 1940, there were 6% more people named Denis in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,091 people named Denis were living in the United States. In a snapshot:

  • 205 women had paying jobs
  • The typical household was 3 people
  • 2,009 rented out rooms to boarders
  • 58%, or 279 people, lived in homes they rented

Learn where they came from and where they went.

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

  • 14% migrated within the United States from 1935 to 1940
  • Most fathers originated from Louisiana
  • 297 migrated within the United States from 1935 to 1940
  • 318 were born in foreign countries