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Find more Colgan 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 204 less people named Colgan 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 2,219 people named Colgan in the 1930 U.S. Census. In 1940, there were 9% less people named Colgan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,015 people named Colgan were living in the United States. In a snapshot:

  • 232 women had paying jobs
  • Although 51% were female, the most common name for males was James
  • 488 adults were unmarried
  • 46% owned their homes, valued on average at $4,027

Learn where they came from and where they went.

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

  • 743 were first-generation Americans
  • 33% were first-generation Americans
  • Most mothers originated from Ireland
  • 10% were born in foreign countries