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Find more Lousa 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 140 more people named Lousa 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 30 people named Lousa in the 1930 U.S. Census. In 1940, there were 467% more people named Lousa in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 170 people named Lousa were living in the United States. In a snapshot:

  • 24% of adults were unmarried
  • Although 48% were female, the most common name for males was Frank
  • The typical household was 3 people
  • 154 rented out rooms to boarders

Learn where they came from and where they went.

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

  • Most mothers originated from Portugal
  • 40% were first-generation Americans
  • Most fathers originated from Portugal
  • Most immigrants originated from Portugal