You've got family at Ancestry.

Find more Jenness 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 136 less people named Jenness 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 797 people named Jenness in the 1930 U.S. Census. In 1940, there were 17% less people named Jenness in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 661 people named Jenness were living in the United States. In a snapshot:

  • They typically took 8 weeks of vacation a year
  • 5% were disabled
  • 103 adults were unmarried
  • Although 50% were female, the most common name for males was George

Learn where they came from and where they went.

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

  • Most immigrants originated from Canada
  • The most common mother tongue was German
  • Most mothers originated from Vermont
  • 14% were first-generation Americans