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Find more Leffler 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 178 less people named Leffler 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 2,993 people named Leffler in the 1930 U.S. Census. In 1940, there were 6% less people named Leffler in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,815 people named Leffler were living in the United States. In a snapshot:

  • Most common occupation was farmer
  • 49% owned their homes, valued on average at $3,095
  • They typically took 9 weeks of vacation a year
  • For 1,352 females, Dorothy was the most common name

Learn where they came from and where they went.

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

  • They most commonly lived in Pennsylvania
  • 8% were born in foreign countries
  • Most immigrants originated from Germany
  • 21% were first-generation Americans