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Find more Cantwell 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 20 more people named Cantwell 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 3,683 people named Cantwell in the 1930 U.S. Census. In 1940, there were 1% more person named Cantwell in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 3,703 people named Cantwell were living in the United States. In a snapshot:

  • For 1,832 females, Helen was the most common name
  • 1% reported their race as other than white
  • 58%, or 523 people, lived in homes they rented
  • 709 adults were unmarried

Learn where they came from and where they went.

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

  • 250 were born in foreign countries
  • 836 were first-generation Americans
  • Most mothers originated from Pennsylvania
  • Most immigrants originated from Ireland