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Find more Oliff 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 1 more person named Oliff 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 237 people named Oliff in the 1930 U.S. Census. In 1940, there were 0% more people named Oliff in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 238 people named Oliff were living in the United States. In a snapshot:

  • For 112 females, Grace was the most common name
  • 24 owned their homes, valued on average at $3,990
  • 30% were children
  • The average annual income was $1,222

Learn where they came from and where they went.

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

  • 13% were first-generation Americans
  • 15 were born in foreign countries
  • Most mothers originated from Virginia
  • 6% were born in foreign countries