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Find more Alonso 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 35 less people named Alonso in the United States — and some of them are likely related to you.

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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 933 people named Alonso in the 1930 U.S. Census. In 1940, there were 4% less people named Alonso in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 898 people named Alonso were living in the United States. In a snapshot:

  • The youngest was less than a year and the oldest was 93
  • For 304 females, Mary was the most common name
  • 74%, or 159 people, lived in homes they rented
  • 21% of adults were unmarried

Learn where they came from and where they went.

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

  • 256 were first-generation Americans
  • 27% were first-generation Americans
  • 326 were born in foreign countries
  • Most fathers originated from Spain