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Find more Jonis 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 378 more people named Jonis 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 85 people named Jonis in the 1930 U.S. Census. In 1940, there were 445% more people named Jonis in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 463 people named Jonis were living in the United States. In a snapshot:

  • 157 were children
  • 4% were disabled
  • 95% rented out rooms to boarders
  • For 238 females, Helen was the most common name

Learn where they came from and where they went.

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

  • They most commonly lived in Pennsylvania
  • The most common mother tongue was French
  • 63 migrated within the United States from 1935 to 1940
  • 31% were first-generation Americans