You've got family at Ancestry.

Find more Cair 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 261 more people named Cair 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 29 people named Cair in the 1930 U.S. Census. In 1940, there were 900% more people named Cair in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 290 people named Cair were living in the United States. In a snapshot:

  • They typically took 11 weeks of vacation a year
  • 50 adults were unmarried
  • 275 rented out rooms to boarders
  • For 145 females, Lillian was the most common name

Learn where they came from and where they went.

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

  • Most immigrants originated from Ireland
  • Most mothers originated from New York
  • 46 migrated within the United States from 1935 to 1940
  • 24% were first-generation Americans