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Find more Dennen 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 18 more people named Dennen 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 416 people named Dennen in the 1930 U.S. Census. In 1940, there were 4% more people named Dennen in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 434 people named Dennen were living in the United States. In a snapshot:

  • 34% of adults were unmarried
  • 112 adults were unmarried
  • 32% owned their homes, valued on average at $5,287
  • 96% rented out rooms to boarders

Learn where they came from and where they went.

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

  • Most fathers originated from Maine
  • Most mothers originated from Maine
  • 6% were born in foreign countries
  • 46 migrated within the United States from 1935 to 1940