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Find more Treanor 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 7 more people named Treanor 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 687 people named Treanor in the 1930 U.S. Census. In 1940, there were 1% more person named Treanor in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 694 people named Treanor were living in the United States. In a snapshot:

  • 97% rented out rooms to boarders
  • 30% were children
  • 8 reported their race as other than white
  • For 362 females, Catherine was the most common name

Learn where they came from and where they went.

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

  • 71 migrated within the United States from 1935 to 1940
  • Most mothers originated from Irish Free State
  • 260 were first-generation Americans
  • 38% were first-generation Americans