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Find more Rocklin 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 20 more people named Rocklin 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 223 people named Rocklin in the 1930 U.S. Census. In 1940, there were 9% more people named Rocklin in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 243 people named Rocklin were living in the United States. In a snapshot:

  • 18% were children
  • 39 adults were unmarried
  • The average annual income was $1,114
  • 31 owned their homes, valued on average at $4,646

Learn where they came from and where they went.

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

  • Most mothers originated from Russia
  • 31% were born in foreign countries
  • 69 were born in foreign countries
  • They most commonly lived in Illinois