Explore the Family Name Koby

The meaning of Koby

1. Alsatian: from a variant of the personal name Kobi, German pet form of Jakob. 2. Americanized form of German Kobi, a pet form of the personal name Jakob. Compare Coby. Some characteristic forenames: French Micheline, Pierre.

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

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

Based on the data from the Decennial U.S. Census, the popularity of the surname "Koby" saw a slight decrease between 2000 and 2010. In 2000, Koby ranked as the 36,572nd most popular surname, with a count of 577, or a proportion of 0.21 per 100,000 people. By 2010, it had fallen to the 38,801st spot, despite only a minor drop in count to 569, lowering its proportion to 0.19 per 100,000 people. This represents a change of -6.09 in rank and -1.39 in count.

	2000	2010	Change
Rank	#36,572	#38,801	-6.09%
Count	577	569	-1.39%
Proportion per 100k	0.21	0.19	-9.52%

Race and Ethnicity of people with the last name Koby

Regarding ethnic identity, the Decennial U.S. Census data shows that the majority of individuals with the surname "Koby" identified as White in both years. The percentage, however, dropped slightly from 95.67% in 2000 to 93.85% in 2010. There was a noticeable increase in those identifying as Hispanic, rising from 0.87% in 2000 to 1.76% in 2010 – a change of 102.30%. Those identifying as Black also increased, from 1.56% to 1.76%. Meanwhile, the figures for Asian/Pacific Islander and Two or more races categories showed increases from 0 to 1.41% and from 0.87% to 1.23% respectively. The American Indian and Alaskan Native category remained at 0% for both years.

	2000	2010	Change
White	95.67%	93.85%	-1.9%
Hispanic	0.87%	1.76%	102.3%
Black	1.56%	1.76%	12.82%
Asian/Pacific Islander	0%	1.41%	0%
Two or More Races	0.87%	1.23%	41.38%
American Indian and Alaskan Native	0%	0%	0%