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Find more Holleran 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 191 less people named Holleran 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 1,199 people named Holleran in the 1930 U.S. Census. In 1940, there were 16% less people named Holleran in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,008 people named Holleran were living in the United States. In a snapshot:

  • 27% were children
  • 44 were disabled
  • Most common occupation was new worker
  • 6% were disabled

Learn where they came from and where they went.

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

  • Most mothers originated from New York
  • The most common mother tongue was Gaelic
  • They most commonly lived in Pennsylvania
  • 481 were first-generation Americans