Explore the Family Name Coby

The meaning of Coby

1. English (Norfolk): variant of Cobey. 2. Americanized form of German Kobi, a pet form of the personal name Jakob, and of its Alsatian cognate Koby 1.

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

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

Based on the Decennial U.S. Census, the popularity of the surname Coby saw a notable increase between 2000 and 2010. In 2000, Coby ranked 24,807th in terms of surname prevalence, but by 2010, it had moved up to 23,817th place - an upward shift of around 4%. The number of individuals bearing this name also grew during this period from 942 to 1,061 - a rise of approximately 12.63%. Consequently, the proportion of people with the surname Coby per 100,000 residents slightly increased from 0.35 to 0.36, marking a growth rate of 2.86%.

	2000	2010	Change
Rank	#24,807	#23,817	3.99%
Count	942	1,061	12.63%
Proportion per 100k	0.35	0.36	2.86%

Race and Ethnicity of people with the last name Coby

When it comes to the ethnic identity associated with the surname Coby, data from the Decennial U.S. Census reveals several shifts between 2000 and 2010. The majority identified as either White or Black, with the percentage of Whites decreasing from 46.39% to 42.98%, while the Black population saw a slight increase from 42.04% to 43.26% over the same period. Hispanics bearing the surname Coby experienced a significant surge, increasing by a remarkable 64.78%, although they still only represent 6.13% of all Cobys. The representation of American Indian and Alaskan Natives under this surname decreased by 20.13%, and there was no change in the figures for those identifying as Asian/Pacific Islander or of two or more races.

	2000	2010	Change
Black	42.04%	43.26%	2.9%
White	46.39%	42.98%	-7.35%
Hispanic	3.72%	6.13%	64.78%
American Indian and Alaskan Native	6.26%	5%	-20.13%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0%	0%	0%