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Find more Casillas 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 68 more people named Casillas in the United States — and some of them are likely related to you.

Start a tree and connect with your family.


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 747 people named Casillas in the 1930 U.S. Census. In 1940, there were 9% more people named Casillas in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 815 people named Casillas were living in the United States. In a snapshot:

  • 23% owned their homes, valued on average at $856
  • For 315 females, Maria was the most common name
  • 72%, or 111 people, lived in homes they rented
  • 45% were children

Learn where they came from and where they went.

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

  • 33% were born in foreign countries
  • 244 were born in foreign countries
  • Most mothers originated from Texas
  • 106 migrated within the United States from 1935 to 1940