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Find more Mulligan 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 251 less people named Mulligan 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 9,879 people named Mulligan in the 1930 U.S. Census. In 1940, there were 3% less people named Mulligan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 9,628 people named Mulligan were living in the United States. In a snapshot:

  • 9,161 rented out rooms to boarders
  • 2,334 adults were unmarried
  • They typically took 8 weeks of vacation a year
  • 441 were disabled

Learn where they came from and where they went.

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

  • 1,207 migrated within the United States from 1935 to 1940
  • Most mothers originated from New York
  • Most immigrants originated from Ireland
  • The most common mother tongue was German