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Find more Oss 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 43 more people named Oss 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 232 people named Oss in the 1930 U.S. Census. In 1940, there were 19% more people named Oss in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 275 people named Oss were living in the United States. In a snapshot:

  • For 128 females, Mary was the most common name
  • They typically took 9 weeks of vacation a year
  • Although 47% were female, the most common name for males was William
  • The average annual income was $1,030

Learn where they came from and where they went.

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

  • 44% were first-generation Americans
  • The most common mother tongue was Polish
  • 24% were born in foreign countries
  • Most immigrants originated from Norway