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Find more Diaz 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 3,848 less people named Diaz 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 21,362 people named Diaz in the 1930 U.S. Census. In 1940, there were 18% less people named Diaz in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 17,514 people named Diaz were living in the United States. In a snapshot:

  • They typically took 12 weeks of vacation a year
  • Most common occupation was jornalero
  • The youngest was less than a year and the oldest was 98
  • 17% of adults were unmarried

Learn where they came from and where they went.

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

  • Most immigrants originated from Mexico
  • They most commonly lived in Texas
  • 17% were first-generation Americans
  • Most fathers originated from Texas