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Find more Mccullough 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 387 less people named Mccullough 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 20,068 people named Mccullough in the 1930 U.S. Census. In 1940, there were 2% less people named Mccullough in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 19,681 people named Mccullough were living in the United States. In a snapshot:

  • 18,993 rented out rooms to boarders
  • 3,154 adults were unmarried
  • Although 50% were female, the most common name for males was John
  • On average men worked 42 hours a week

Learn where they came from and where they went.

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

  • 3,592 migrated within the United States from 1935 to 1940
  • Most mothers originated from Texas
  • 15% were first-generation Americans
  • Most immigrants originated from Ireland