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Find more Trettin 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 11 less people named Trettin in the United States — and some of them are likely related to you.

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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 276 people named Trettin in the 1930 U.S. Census. In 1940, there were 4% less people named Trettin in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 265 people named Trettin were living in the United States. In a snapshot:

  • 58 adults were unmarried
  • 9% were disabled
  • Although 52% were female, the most common name for males was Carl
  • The average annual income was $1,019

Learn where they came from and where they went.

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

  • Most mothers originated from Wisconsin
  • Most immigrants originated from Germany
  • 45% were first-generation Americans
  • 18% were born in foreign countries