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Find more Callaghan 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 395 less people named Callaghan 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 3,067 people named Callaghan in the 1930 U.S. Census. In 1940, there were 13% less people named Callaghan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,672 people named Callaghan were living in the United States. In a snapshot:

  • 705 adults were unmarried
  • 5% were disabled
  • 35% of adults were unmarried
  • 52%, or 335 people, lived in homes they rented

Learn where they came from and where they went.

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

  • Most mothers originated from New York
  • The most common mother tongue was Gaclis
  • Most fathers originated from New York
  • 581 were born in foreign countries