Explore the Family Name Coz

The meaning of Coz

1. Spanish (mainly Cantabria): possibly a nickname from coz ‘kick’. Alternatively, perhaps a habitational name from El Coz (Asturias). 2. Breton (mainly Le Coz): nickname from kôz ‘old’. 3. Slovenian (Čož): probably an unflattering nickname from a variant of archaic čuž ‘fool’.

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

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

Based on the Decennial U.S. Census data, the surname "Coz" has grown in popularity from 2000 to 2010. The rank of the surname improved significantly from 74,398 in 2000 to 61,297 in 2010, marking a positive change of 17.61%. Furthermore, the count of individuals with this surname increased by 35.54% over the same decade, rising from 242 to 328. This growth is also reflected in the proportion per 100,000 people, which rose by 22.22%, indicating that the surname "Coz" became more common in the U.S. during this time.

	2000	2010	Change
Rank	#74,398	#61,297	17.61%
Count	242	328	35.54%
Proportion per 100k	0.09	0.11	22.22%

Race and Ethnicity of people with the last name Coz

Regarding ethnicity, the Decennial U.S. Census data shows a shift in the demographic composition of those bearing the "Coz" surname between 2000 and 2010. The percentage of Asian/Pacific Islanders and Blacks with this surname decreased by 36.75% and 34.90% respectively. However, the Hispanic population with this surname saw a significant increase of 71.35%, growing from 25.62% to 43.90%. The White population with this surname also decreased by 20.30%. The data did not report any changes for those identifying as two or more races or American Indian and Alaskan Native.

	2000	2010	Change
White	56.61%	45.12%	-20.3%
Hispanic	25.62%	43.9%	71.35%
Asian/Pacific Islander	8.68%	5.49%	-36.75%
Black	7.02%	4.57%	-34.9%
Two or More Races	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%