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Find more Sainz 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 145 more people named Sainz 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 417 people named Sainz in the 1930 U.S. Census. In 1940, there were 35% more people named Sainz in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 562 people named Sainz were living in the United States. In a snapshot:

  • 553 rented out rooms to boarders
  • 24 owned their homes, valued on average at $1,129
  • Most common occupation was farm laborer
  • Although 46% were female, the most common name for males was Jose

Learn where they came from and where they went.

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

  • Most immigrants originated from Mexico
  • 135 were born in foreign countries
  • They most commonly lived in Arizona
  • 42% were first-generation Americans