Explore the Family Name Guillaume
The meaning of Guillaume
French, Walloon, Breton, West Indian (mainly Haiti), and Mauritian: from the personal name Guillaume, French form of William. Some characteristic forenames: French/Haitian Pierre, Jacques, Jean-Pierre, Marcel, Patrice, Yvon, Anite, Antoine, Edrice, Francois, Gesner, Ghislaine.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Guillaume in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Guillaume has seen a significant increase in the decade between 2000 and 2010. The rank of this surname rose from the 11719th position to the 9987th, marking a notable improvement of around 14.78%. In terms of count, the number of people with the Guillaume surname increased from 2451 in 2000 to 3230 in 2010, showing a substantial growth rate of 31.78%. The proportion of individuals named Guillaume per 100,000 also increased from 0.91 to 1.09 during this period, registering an increase of 19.78%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #11,719 | #9,987 | 14.78% |
| Count | 2,451 | 3,230 | 31.78% |
| Proportion per 100k | 0.91 | 1.09 | 19.78% |
Race and Ethnicity of people with the last name Guillaume
The Decennial U.S. Census data about the ethnic identity associated with the surname Guillaume during the years 2000 and 2010 reveals interesting changes. The percentage of people with this surname identifying as Black saw a significant rise of 25.72%, going up from 53.81% in 2000 to 67.65% in 2010. Meanwhile, those identifying as White witnessed a decline of 22.96%, decreasing from 34.88% to 26.87%. The segment identifying as Hispanic showed a slight increase, growing by 14.04% over the decade. On the other hand, the categories of Asian/Pacific Islander and American Indian/Alaskan Native did not register any value in 2010, suggesting that the data was likely suppressed for privacy reasons. The group identifying with two or more races saw a decline of 70.37%, falling from 7.83% to 2.32%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Black | 53.81% | 67.65% | 25.72% |
| White | 34.88% | 26.87% | -22.96% |
| Hispanic | 2.28% | 2.6% | 14.04% |
| Two or More Races | 7.83% | 2.32% | -70.37% |
| Asian/Pacific Islander | 0.94% | 0% | 0% |
| American Indian and Alaskan Native | 0.24% | 0% | 0% |