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Find more Dallahan 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 70 more people named Dallahan 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 44 people named Dallahan in the 1930 U.S. Census. In 1940, there were 159% more people named Dallahan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 114 people named Dallahan were living in the United States. In a snapshot:

  • 25% were children
  • 7% were disabled
  • For 64 females, Helen was the most common name
  • 29 were children

Learn where they came from and where they went.

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

  • They most commonly lived in Massachusetts
  • Most fathers originated from New York
  • 14 were first-generation Americans
  • 14 migrated within the United States from 1935 to 1940