Explore the Family Name Oca

The meaning of Oca

Spanish and Galician: habitational name from any of the places called Oca, of pre-Roman origin. Compare De Oca.

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

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

The surname 'Oca' has seen a notable increase in popularity according to the Decennial U.S. Census data. In 2000, it held rank 66,878 with 276 individuals carrying the name. However, by 2010, the rank had improved to 58,876 and the count increased to 344, indicating a growth of approximately 24.64%. The proportion per 100k also saw an upsurge from 0.1 in 2000 to 0.12 in 2010, marking a 20% change.

20002010Change
Rank#66,878#58,87611.97%
Count27634424.64%
Proportion per 100k0.10.1220%

Race and Ethnicity of people with the last name Oca

In terms of ethnic identity, the 'Oca' surname predominantly traces back to Asian/Pacific Islander and Hispanic origins based on the Decennial U.S. Census data. In 2000, 49.28% of the bearers identified as Asian/Pacific Islander, and this figure slightly increased to 49.42% in 2010. Meanwhile, the percentage of those identifying as Hispanic witnessed a more substantial rise from 27.54% in 2000 to 33.14% in 2010. The number of bearers identifying with two or more races declined by 56.39%, from 3.99% to 1.74%. The percentage of Whites decreased from 18.84% to 15.12%. There were no recorded instances of bearers identifying as Black or American Indian and Alaskan Native in either year.

20002010Change
Asian/Pacific Islander49.28%49.42%0.28%
Hispanic27.54%33.14%20.33%
White18.84%15.12%-19.75%
Two or More Races3.99%1.74%-56.39%
Black0%0%0%
American Indian and Alaskan Native0%0%0%