You've got family at Ancestry.

Find more Dethman 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 57 more people named Dethman in the United States — and some of them are likely related to you.

Start a tree and connect with your family.


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 41 people named Dethman in the 1930 U.S. Census. In 1940, there were 139% more people named Dethman in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 98 people named Dethman were living in the United States. In a snapshot:

  • Most common occupation was farmer
  • 25 adults were unmarried
  • 6 were disabled
  • The average annual income was $711

Learn where they came from and where they went.

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

  • They most commonly lived in Iowa
  • Most mothers originated from Germany
  • The most common mother tongue was German
  • 7% were born in foreign countries