You've got family at Ancestry.

Find more Mann 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 2,139 more people named Mann 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 41,384 people named Mann in the 1930 U.S. Census. In 1940, there were 5% more people named Mann in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 43,523 people named Mann were living in the United States. In a snapshot:

  • 6,512 adults were unmarried
  • 96% rented out rooms to boarders
  • 5% were disabled
  • For 21,833 females, Helen was the most common name

Learn where they came from and where they went.

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

  • Most mothers originated from New York
  • 7,903 migrated within the United States from 1935 to 1940
  • The most common mother tongue was Italian
  • 15% were first-generation Americans