Explore the Family Name Guilbeau

The meaning of Guilbeau

French: variant of Guilbault and, in North America, (also) an altered form of this. Some characteristic forenames: French Andre, Emile, Lucien, Octave, Cyprien, Fabien, Julien, Laurent, Marcelle, Monique, Onezime, Pierre.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Guilbeau in the United States?

Based on the Decennial U.S. Census, the surname Guilbeau has seen a slight dip in popularity between 2000 and 2010. In 2000, it was ranked 16,463 and by 2010, it had slipped to 17,290, a decrease of about 5% in rank. Nevertheless, the number of people carrying this surname increased slightly during this time period, with an approximate rise of 1.8%, from 1,608 people in 2000 to 1,637 in 2010. However, when considering the proportion per 100,000 people, the popularity of Guilbeau decreased by 8.33%.

	2000	2010	Change
Rank	#16,463	#17,290	-5.02%
Count	1,608	1,637	1.8%
Proportion per 100k	0.6	0.55	-8.33%

Race and Ethnicity of people with the last name Guilbeau

The ethnic identity associated with the Guilbeau surname also saw some changes from 2000 to 2010, according to the Decennial U.S. Census data. The majority identify as White, with a slight decrease from 85.7% in 2000 to 84.73% in 2010. Those identifying as Black also decreased from 12% to 11.61%. However, the percentage of those identifying with two or more races rose significantly from 0.56% to 0.92%, a change of approximately 64.29%. The Hispanic population with the Guilbeau surname saw a modest increase of 25.81%, growing from 1.55% to 1.95%. The census reported no change for those identifying as Asian/Pacific Islander and American Indian and Alaskan Native.

	2000	2010	Change
White	85.7%	84.73%	-1.13%
Black	12%	11.61%	-3.25%
Hispanic	1.55%	1.95%	25.81%
Two or More Races	0.56%	0.92%	64.29%
Asian/Pacific Islander	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%