You've got family at Ancestry.

Find more Mohn 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 39 less people named Mohn 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 2,077 people named Mohn in the 1930 U.S. Census. In 1940, there were 2% less people named Mohn in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,038 people named Mohn were living in the United States. In a snapshot:

  • 3% reported their race as other than white
  • On average men worked 42 hours a week
  • 352 adults were unmarried
  • 250 owned their homes, valued on average at $3,664

Learn where they came from and where they went.

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

  • 443 were first-generation Americans
  • Most immigrants originated from Norway
  • Most mothers originated from Minnesota
  • 193 were born in foreign countries