You've got family at Ancestry.

Find more Dolphin 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 127 less people named Dolphin 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 887 people named Dolphin in the 1930 U.S. Census. In 1940, there were 14% less people named Dolphin in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 760 people named Dolphin were living in the United States. In a snapshot:

  • 96% rented out rooms to boarders
  • On average men worked 44 hours a week
  • 29% of adults were unmarried
  • 44% owned their homes, valued on average at $3,301

Learn where they came from and where they went.

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

  • 107 migrated within the United States from 1935 to 1940
  • Most immigrants originated from Ireland
  • Most fathers originated from Pennsylvania
  • 10% were born in foreign countries