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Find more Kays 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 250 more people named Kays 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 1,573 people named Kays in the 1930 U.S. Census. In 1940, there were 16% more people named Kays in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,823 people named Kays were living in the United States. In a snapshot:

  • The average annual income was $905
  • 29% were children
  • 43% owned their homes, valued on average at $2,790
  • The youngest was less than a year and the oldest was 92

Learn where they came from and where they went.

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

  • 4% were born in foreign countries
  • Most mothers originated from Illinois
  • 180 were first-generation Americans
  • Most fathers originated from Illinois