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Find more Duffer 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 270 more people named Duffer 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 504 people named Duffer in the 1930 U.S. Census. In 1940, there were 54% more people named Duffer in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 774 people named Duffer were living in the United States. In a snapshot:

  • 40% owned their homes, valued on average at $2,874
  • Although 49% were female, the most common name for males was James
  • 125 adults were unmarried
  • For 380 females, Margaret was the most common name

Learn where they came from and where they went.

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

  • 3% were born in foreign countries
  • 8% were first-generation Americans
  • Most mothers originated from Virginia
  • 220 migrated within the United States from 1935 to 1940