You've got family at Ancestry.

Find more Lopez 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 7,908 less people named Lopez 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 51,728 people named Lopez in the 1930 U.S. Census. In 1940, there were 15% less people named Lopez in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 43,820 people named Lopez were living in the United States. In a snapshot:

  • 19% reported their race as other than white
  • 1,828 owned their homes, valued on average at $1,531
  • 45% were children
  • 70%, or 6,059 people, lived in homes they rented

Learn where they came from and where they went.

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

  • 13,594 were first-generation Americans
  • 14,662 were born in foreign countries
  • Most mothers originated from Texas
  • 6,290 migrated within the United States from 1935 to 1940