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Find more Arai 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 2 less people named Arai 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 160 people named Arai in the 1930 U.S. Census. In 1940, there were 1% less person named Arai in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 158 people named Arai were living in the United States. In a snapshot:

  • 66 were children
  • 35 adults were unmarried
  • The average annual income was $913
  • 94% reported their race as other than white

Learn where they came from and where they went.

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

  • They most commonly lived in Washington
  • Most mothers originated from Japan
  • 39% were born in foreign countries
  • 91 were first-generation Americans