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Find more Trepanier 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 160 more people named Trepanier 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 520 people named Trepanier in the 1930 U.S. Census. In 1940, there were 31% more people named Trepanier in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 680 people named Trepanier were living in the United States. In a snapshot:

  • The typical household was 3 people
  • 2 reported their race as other than white
  • 25% of adults were unmarried
  • 4% were disabled

Learn where they came from and where they went.

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

  • Most fathers originated from Wisconsin
  • 248 were first-generation Americans
  • The most common mother tongue was Italian
  • Most immigrants originated from Canada