Explore the Family Name Kosko

The meaning of Kosko

1. Ukrainian and Jewish (from Ukraine): nickname for a squint-eyed person, from Ukrainian kosyy ‘squint’ + the noun suffix -ko. 2. Slovak (Koško): probably from a pet form of the old personal name Kochan, or of some other name beginning with Ko-, or of their common pet form Koša (see Kosa). Alternatively, it may be a nickname from koš ‘basket’.

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

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

Based on the Decennial U.S. Census data, the surname Kosko has seen a slight decrease in popularity from 2000 to 2010. In 2000, Kosko was ranked as the 25,147th most popular surname, but by 2010 it had dropped to 26,695th, a decrease of 6.16 percent. This trend corresponds with the count of people bearing the surname, which fell from 925 in 2000 to 912 in 2010, a decline of 1.41 percent. Similarly, the proportion of individuals named Kosko per 100,000 decreased by 8.82 percent over the same period.

20002010Change
Rank#25,147#26,695-6.16%
Count925912-1.41%
Proportion per 100k0.340.31-8.82%

Race and Ethnicity of people with the last name Kosko

In terms of ethnicity, the Decennial U.S. Census data reveals that the majority of individuals with the surname Kosko identify as White, with an increase from 96.86 percent in 2000 to 97.15 percent in 2010. The percentage of those who identify as Asian/Pacific Islander also increased slightly from 0.65 percent in 2000 to 0.77 percent in 2010. Conversely, the proportion of individuals identifying as Hispanic decreased by 21.99 percent, from 1.41 percent in 2000 to 1.10 percent in 2010. Data for those identifying as Black showed a minor increase, while data for those of Two or more races and American Indian and Alaskan Native remained unchanged.

20002010Change
White96.86%97.15%0.3%
Hispanic1.41%1.1%-21.99%
Asian/Pacific Islander0.65%0.77%18.46%
Black0.54%0.55%1.85%
Two or More Races0%0%0%
American Indian and Alaskan Native0%0%0%