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Find more Rotarius 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 32 more people named Rotarius 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 66 people named Rotarius in the 1930 U.S. Census. In 1940, there were 48% more people named Rotarius in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 98 people named Rotarius were living in the United States. In a snapshot:

  • Most common occupation was auto wrecker
  • 11 adults were unmarried
  • 1 was disabled
  • For 47 females, Margaret was the most common name

Learn where they came from and where they went.

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

  • They most commonly lived in Michigan
  • Most immigrants originated from Germany
  • 20 migrated within the United States from 1935 to 1940
  • 6 were born in foreign countries