Explore the Family Name Cotnoir
The meaning of Cotnoir
Altered form of French Cottenoir or Cottenoire: from cotte noire ‘black tunic’ (see Cotte 1), used as a nickname for someone who usually wore such a piece of clothing. The surname Cottenoir(e) is no longer found in France. Some characteristic forenames: French Alain, Armand, Luc, Marcel, Yves, Adelard, Alphonse, Andre, Emile, Gilles, Pierre, Serge.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Cotnoir in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Cotnoir has witnessed a positive shift between 2000 and 2010. In 2000, it ranked at 40,019 and rose to 38,332 in 2010, marking an increase of 4.22%. The count of individuals with the surname also increased from 516 to 578 during this period, a substantial growth of 12.02%. Further, the proportion per 100k population saw a slight upswing of 5.26%, moving from 0.19 to 0.20.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #40,019 | #38,332 | 4.22% |
| Count | 516 | 578 | 12.02% |
| Proportion per 100k | 0.19 | 0.2 | 5.26% |
Race and Ethnicity of people with the last name Cotnoir
The ethnic identity associated with the surname Cotnoir also experienced changes over a decade, as per the Decennial U.S. Census data. Predominantly, the Cotnoir surname is identified with White ethnicity, accounting for 99.22% in 2000 and slightly declining to 98.44% in 2010. Notably, there was an introduction of diversity in 2010, with 1.21% identifying as belonging to two or more races. However, there were no significant records related to Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native ethnicities for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 99.22% | 98.44% | -0.79% |
| Two or More Races | 0% | 1.21% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |