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Find more Cairus 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 59 more people named Cairus 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 108 people named Cairus in the 1930 U.S. Census. In 1940, there were 55% more people named Cairus in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 167 people named Cairus were living in the United States. In a snapshot:

  • Most common occupation was farmer
  • 2% reported their race as other than white
  • 35%, or 12 people, lived in homes they rented
  • 151 rented out rooms to boarders

Learn where they came from and where they went.

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

  • They most commonly lived in Massachusetts
  • 26 were first-generation Americans
  • 24 were born in foreign countries
  • 19 migrated within the United States from 1935 to 1940