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Find more Ireland 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 325 less people named Ireland 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 8,337 people named Ireland in the 1930 U.S. Census. In 1940, there were 4% less people named Ireland in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 8,012 people named Ireland were living in the United States. In a snapshot:

  • 308 reported their race as other than white
  • Although 51% were female, the most common name for males was John
  • 2,221 were children
  • 7,722 rented out rooms to boarders

Learn where they came from and where they went.

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

  • 1,209 were first-generation Americans
  • 14% were first-generation Americans
  • They most commonly lived in New Jersey
  • Most immigrants originated from Canada