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Find more Mack 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 329 less people named Mack 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 33,374 people named Mack in the 1930 U.S. Census. In 1940, there were 1% less person named Mack in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 33,045 people named Mack were living in the United States. In a snapshot:

  • 1,329 were disabled
  • 31,276 rented out rooms to boarders
  • They typically took 10 weeks of vacation a year
  • 10,419 were children

Learn where they came from and where they went.

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

  • Most fathers originated from Georgia
  • Most immigrants originated from Germany
  • They most commonly lived in South Carolina
  • The most common mother tongue was Polish