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Find more Pierro 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 62 more people named Pierro 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 598 people named Pierro in the 1930 U.S. Census. In 1940, there were 10% more people named Pierro in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 660 people named Pierro were living in the United States. In a snapshot:

  • 74%, or 118 people, lived in homes they rented
  • For 325 females, Rose was the most common name
  • 4% reported their race as other than white
  • 25 were disabled

Learn where they came from and where they went.

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

  • 192 were born in foreign countries
  • 58% were first-generation Americans
  • 344 were first-generation Americans
  • The most common mother tongue was Spanish