Find more Nielsen 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 1,352 less people named Nielsen in the United States — and some of them are likely related to you.
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 13,394 people named Nielsen in the 1930 U.S. Census. In 1940, there were 10% less people named Nielsen in the United States. What was life like for them?
In 1940, 12,042 people named Nielsen were living in the United States. In a snapshot:
As Nielsen families continued to grow, they left more tracks on the map: