Explore the Family Name Cousineau

The meaning of Cousineau

French: from a derivative of Old French co(u)sin, cusin ‘cousin’ (see Cousin). Compare Cousino. Some characteristic forenames: French Marcel, Pierre, Monique, Alain, Alcide, Anatole, Andre, Armand, Colombe, Emile, Francoise, Gilles.

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

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

Based on data from the Decennial U.S. Census, the surname Cousineau saw a slight decrease in popularity between 2000 and 2010. In 2000, it was ranked as the 12,942nd most popular surname, but by 2010 it had slipped to the 13,541st position, marking a -4.63% change. The actual count of individuals with this surname, however, saw a minor increase of 2.99%, rising from 2,175 in 2000 to 2,240 in 2010. Despite this increment, the proportion per 100,000 people reduced by -6.17%, indicating a drop from 0.81 in 2000 to 0.76 in 2010.

	2000	2010	Change
Rank	#12,942	#13,541	-4.63%
Count	2,175	2,240	2.99%
Proportion per 100k	0.81	0.76	-6.17%

Race and Ethnicity of people with the last name Cousineau

In terms of ethnicity distribution, the Decennial U.S. Census shows that the majority of individuals with the surname Cousineau identify as White, although there has been a slight shift. In 2000, 97.29% identified as White, a figure that decreased to 95.80% in 2010. There were no Cousineaus who identified as Asian/Pacific Islander or Black in either year. However, the percentage identifying as Hispanic rose from 1.10% in 2000 to 1.70% in 2010. The number of people with this surname identifying as two or more races also rose significantly, from 0.64% to 1.74%. Meanwhile, those identifying as American Indian and Alaskan Native dropped from 0.60% in 2000 to 0.36% in 2010.

	2000	2010	Change
White	97.29%	95.8%	-1.53%
Two or More Races	0.64%	1.74%	171.88%
Hispanic	1.1%	1.7%	54.55%
American Indian and Alaskan Native	0.6%	0.36%	-40%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%