Explore the Family Name Mousseau

The meaning of Mousseau

French: topographic name from a diminutive of mousse ‘moss’, for someone living by a mossy or marshy place; or a habitational name from (Le) Mousseau, the name of several places mainly in the northern part of France. Compare Mossow, Mousaw, and Mussaw. History: Jacques Mousseau dit Laviolette from Azay-le-Rideau in Indre-et-Loire, France, married Marguerite Sauviot in QC in 1658. His descendants also bear altered forms of the surname, such as Mossow, Mousaw, and Mussaw, and also the surname Desilets. Some characteristic forenames: French Adelard, Aime, Gaetan, Jacques, Marcel, Michel, Ovila.

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

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

Based on the Decennial U.S. Census, the surname "Mousseau" saw a slight increase in popularity between 2000 and 2010. In 2000, it ranked as the 19,976th most popular surname, and by 2010, it had edged up to 19,896th. The total count of individuals with this surname also rose from 1,243 in 2000 to 1,350 in 2010, marking an increase of 8.61%. However, the proportion of people with the Mousseau surname per 100,000 remained steady at 0.46.

20002010Change
Rank#19,976#19,8960.4%
Count1,2431,3508.61%
Proportion per 100k0.460.460%

Race and Ethnicity of people with the last name Mousseau

The Decennial U.S. Census data also reveals shifts in the ethnic identity associated with the Mousseau surname over that ten-year period. The percentage of Mousseau's identifying as White decreased slightly from 91.39% in 2000 to 89.93% in 2010. Meanwhile, those identifying as American Indian or Alaskan Native increased from 5.79% to 6.30%, and the representation of two or more races among Mousseau's grew from 1.21% to 1.48%. There were also new instances of people with the Mousseau surname identifying as Asian/Pacific Islander and Black in 2010, but the proportions remained relatively low. The percentage identifying as Hispanic saw a decrease from 1.53% to 1.33%.

20002010Change
White91.39%89.93%-1.6%
American Indian and Alaskan Native5.79%6.3%8.81%
Two or More Races1.21%1.48%22.31%
Hispanic1.53%1.33%-13.07%
Black0%0.59%0%
Asian/Pacific Islander0%0.37%0%