You've got family at Ancestry.

Find more Thompson 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 20,121 more people named Thompson 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 326,769 people named Thompson in the 1930 U.S. Census. In 1940, there were 6% more people named Thompson in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 346,890 people named Thompson were living in the United States. In a snapshot:

  • 52,959 adults were unmarried
  • They typically took 9 weeks of vacation a year
  • 36,176 owned their homes, valued on average at $2,894
  • 332,219 rented out rooms to boarders

Learn where they came from and where they went.

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

  • Most mothers originated from Texas
  • Most immigrants originated from Norway
  • 18,206 were born in foreign countries
  • 14% were first-generation Americans