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Find more Oppenneer 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 7 more people named Oppenneer 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 7 people named Oppenneer in the 1930 U.S. Census. In 1940, there were 100% more people named Oppenneer in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 14 people named Oppenneer were living in the United States. In a snapshot:

  • 50%, or 2 people, lived in homes they rented
  • Although 29% were female, the most common name for males was Peter
  • 2 owned their homes, valued on average at $7,000
  • 2 adults were unmarried

Learn where they came from and where they went.

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

  • 1 were born in foreign countries
  • 43% were first-generation Americans
  • Most immigrants originated from Netherlands
  • 14% were born in foreign countries