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Find more Onill 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 55 more people named Onill 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 29 people named Onill in the 1930 U.S. Census. In 1940, there were 190% more people named Onill in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 84 people named Onill were living in the United States. In a snapshot:

  • 39% owned their homes, valued on average at $5,756
  • 21% were children
  • For 38 females, Bridget was the most common name
  • 9 owned their homes, valued on average at $5,756

Learn where they came from and where they went.

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

  • 17% were born in foreign countries
  • The most common mother tongue was Italian
  • 5 were born in foreign countries
  • They most commonly lived in Massachusetts