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Find more Costopoulos 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 14 more people named Costopoulos 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 48 people named Costopoulos in the 1930 U.S. Census. In 1940, there were 29% more people named Costopoulos in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 62 people named Costopoulos were living in the United States. In a snapshot:

  • 24% were children
  • 3 were disabled
  • 6% were disabled
  • 16 adults were unmarried

Learn where they came from and where they went.

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

  • Most mothers originated from Greece
  • The most common mother tongue was Greek
  • Most immigrants originated from Greece
  • 44% were first-generation Americans