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Find more Brett 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 54 less people named Brett 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 3,849 people named Brett in the 1930 U.S. Census. In 1940, there were 1% less person named Brett in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 3,795 people named Brett were living in the United States. In a snapshot:

  • 28% of adults were unmarried
  • 1,089 were children
  • 3,610 rented out rooms to boarders
  • 58%, or 535 people, lived in homes they rented

Learn where they came from and where they went.

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

  • Most fathers originated from Pennsylvania
  • They most commonly lived in Pennsylvania
  • Most immigrants originated from Ireland
  • 571 were born in foreign countries