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Find more Hamilton 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 1,848 less people named Hamilton 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 100,644 people named Hamilton in the 1930 U.S. Census. In 1940, there were 2% less people named Hamilton in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 98,796 people named Hamilton were living in the United States. In a snapshot:

  • 9,036 women had paying jobs
  • 95% rented out rooms to boarders
  • 22% of adults were unmarried
  • Although 50% were female, the most common name for males was James

Learn where they came from and where they went.

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

  • 19% migrated within the United States from 1935 to 1940
  • 18,743 migrated within the United States from 1935 to 1940
  • Most fathers originated from Kentucky
  • 12% were first-generation Americans