You've got family at Ancestry.

Find more Bartholomaus 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 95 more people named Bartholomaus 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 65 people named Bartholomaus in the 1930 U.S. Census. In 1940, there were 146% more people named Bartholomaus in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 160 people named Bartholomaus were living in the United States. In a snapshot:

  • 23% of adults were unmarried
  • The typical household was 2 people
  • 2 reported their race as other than white
  • 8% were disabled

Learn where they came from and where they went.

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

  • Most mothers originated from
  • 34 were first-generation Americans
  • Most immigrants originated from Germany
  • 52% were first-generation Americans