You've got family at Ancestry.

Find more Back 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 3,009 more people named Back 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 3,954 people named Back in the 1930 U.S. Census. In 1940, there were 76% more people named Back in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 6,963 people named Back were living in the United States. In a snapshot:

  • 6% were disabled
  • For 3,423 females, Mary was the most common name
  • 827 owned their homes, valued on average at $3,091
  • On average men worked 43 hours a week

Learn where they came from and where they went.

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

  • The most common mother tongue was Swedish
  • 23% were first-generation Americans
  • 489 were born in foreign countries
  • Most immigrants originated from Germany