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Find more Deroy 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 5 less people named Deroy 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 264 people named Deroy in the 1930 U.S. Census. In 1940, there were 2% less people named Deroy in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 259 people named Deroy were living in the United States. In a snapshot:

  • Most common occupation was truck driver
  • 70 were children
  • 33 owned their homes, valued on average at $4,404
  • 44%, or 27 people, lived in homes they rented

Learn where they came from and where they went.

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

  • They most commonly lived in Massachusetts
  • 63 were born in foreign countries
  • The most common mother tongue was French
  • 14% migrated within the United States from 1935 to 1940