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Find more Reff 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 107 more people named Reff 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 293 people named Reff in the 1930 U.S. Census. In 1940, there were 37% more people named Reff in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 400 people named Reff were living in the United States. In a snapshot:

  • 4% were disabled
  • On average men worked 46 hours a week
  • For 191 females, Mary was the most common name
  • 53 adults were unmarried

Learn where they came from and where they went.

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

  • The most common mother tongue was Norwegian
  • Most immigrants originated from Russia
  • 28% were first-generation Americans
  • Most mothers originated from Pennsylvania