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Find more Castonguay 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 126 more people named Castonguay in the United States — and some of them are likely related to you.

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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 648 people named Castonguay in the 1930 U.S. Census. In 1940, there were 19% more people named Castonguay in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 774 people named Castonguay were living in the United States. In a snapshot:

  • The typical household was 4 people
  • Although 49% were female, the most common name for males was Joseph
  • For 377 females, Mary was the most common name
  • 18 were disabled

Learn where they came from and where they went.

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

  • Most fathers originated from Canada English
  • 51% were first-generation Americans
  • The most common mother tongue was French
  • Most mothers originated from Canada English