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Find more Mcwilliam 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 991 more people named Mcwilliam in the United States — and some of them are likely related to you.

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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 885 people named Mcwilliam in the 1930 U.S. Census. In 1940, there were 112% more people named Mcwilliam in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,876 people named Mcwilliam were living in the United States. In a snapshot:

  • 20% reported their race as other than white
  • 18% of women had paying jobs
  • The average annual income was $1,027
  • The typical household was 2 people

Learn where they came from and where they went.

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

  • 129 were first-generation Americans
  • 22% migrated within the United States from 1935 to 1940
  • 12% were born in foreign countries
  • Most fathers originated from North Carolina