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Find more Tamm 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 20 more people named Tamm 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 412 people named Tamm in the 1930 U.S. Census. In 1940, there were 5% more people named Tamm in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 432 people named Tamm were living in the United States. In a snapshot:

  • Most common occupation was farmer
  • 16 were disabled
  • 97% rented out rooms to boarders
  • 61% owned their homes, valued on average at $4,404

Learn where they came from and where they went.

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

  • They most commonly lived in Illinois
  • The most common mother tongue was Polish
  • 41 migrated within the United States from 1935 to 1940
  • 24% were born in foreign countries