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Find more Cox 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 7,475 more people named Cox 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 133,220 people named Cox in the 1930 U.S. Census. In 1940, there were 6% more people named Cox in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 140,695 people named Cox were living in the United States. In a snapshot:

  • 14,667 owned their homes, valued on average at $2,710
  • 19,953 adults were unmarried
  • The youngest was less than a year and the oldest was 100
  • 5,492 were disabled

Learn where they came from and where they went.

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

  • 3,904 were born in foreign countries
  • Most mothers originated from Kentucky
  • 11,623 were first-generation Americans
  • Most fathers originated from Kentucky