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Find more Hartigan 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 92 less people named Hartigan 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 1,642 people named Hartigan in the 1930 U.S. Census. In 1940, there were 6% less people named Hartigan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,550 people named Hartigan were living in the United States. In a snapshot:

  • 6% were disabled
  • The youngest was less than a year and the oldest was 86
  • They typically took 8 weeks of vacation a year
  • 26% were children

Learn where they came from and where they went.

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

  • The most common mother tongue was Goullie
  • 663 were first-generation Americans
  • Most immigrants originated from Ireland
  • Most mothers originated from Ireland