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Find more Kalfas 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 74 more people named Kalfas 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 89 people named Kalfas in the 1930 U.S. Census. In 1940, there were 83% more people named Kalfas in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 163 people named Kalfas were living in the United States. In a snapshot:

  • 18 adults were unmarried
  • On average men worked 44 hours a week
  • 8 women had paying jobs
  • 44% owned their homes, valued on average at $3,003

Learn where they came from and where they went.

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

  • Most mothers originated from Greece
  • Most immigrants originated from Greece
  • 13% migrated within the United States from 1935 to 1940
  • 43% were born in foreign countries