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Find more Theriault 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 163 more people named Theriault 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 1,572 people named Theriault in the 1930 U.S. Census. In 1940, there were 10% more people named Theriault in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,735 people named Theriault were living in the United States. In a snapshot:

  • 62%, or 219 people, lived in homes they rented
  • 36% were children
  • 4% were disabled
  • 628 were children

Learn where they came from and where they went.

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

  • 443 were born in foreign countries
  • Most mothers originated from Maine
  • The most common mother tongue was Polish
  • They most commonly lived in Massachusetts