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Find more Dennelly 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 164 more people named Dennelly 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 40 people named Dennelly in the 1930 U.S. Census. In 1940, there were 410% more people named Dennelly in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 204 people named Dennelly were living in the United States. In a snapshot:

  • Most common occupation was salesman
  • For 109 females, Margaret was the most common name
  • 23 women had paying jobs
  • 3 reported their race as other than white

Learn where they came from and where they went.

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

  • They most commonly lived in Maryland
  • 8 were born in foreign countries
  • 18 were first-generation Americans
  • 45% were first-generation Americans