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Find more Oliveira 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 260 more people named Oliveira 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 800 people named Oliveira in the 1930 U.S. Census. In 1940, there were 32% more people named Oliveira in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,060 people named Oliveira were living in the United States. In a snapshot:

  • 31 were disabled
  • The typical household was 3 people
  • 1,036 rented out rooms to boarders
  • They typically took 12 weeks of vacation a year

Learn where they came from and where they went.

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

  • The most common mother tongue was Portuguese
  • Most fathers originated from Portugal
  • Most immigrants originated from Portugal
  • 51% were first-generation Americans