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Find more Kneff 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 1 less person named Kneff in the United States — and some of them are likely related to you.

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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 137 people named Kneff in the 1930 U.S. Census. In 1940, there were 1% less person named Kneff in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 136 people named Kneff were living in the United States. In a snapshot:

  • For 63 females, Martha was the most common name
  • 19 owned their homes, valued on average at $2,868
  • 24% were children
  • 22% of adults were unmarried

Learn where they came from and where they went.

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

  • 20% were first-generation Americans
  • 8 were born in foreign countries
  • Most mothers originated from Illinois
  • Most fathers originated from Illinois