Explore the Family Name De Oca

The meaning of De Oca

Spanish and Galician: variant of Oca, with the preposition de ‘from’.

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

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

Based on the Decennial U.S. Census, the popularity of the surname De Oca has seen a marked increase from 2000 to 2010. In the year 2000, the rank of this surname was 111,119, and by 2010, it had jumped up to 101,737, representing an 8.44% rise. The count of individuals bearing this surname also experienced a significant climb during this decade. In 2000, there were 147 individuals with this surname, but by 2010, that number had grown to 177, indicating a 20.41% increase. Consequently, the proportion of people named De Oca per 100,000 also improved from 0.05 in 2000 to 0.06 in 2010, showing a 20% increment.

	2000	2010	Change
Rank	#111,119	#101,737	8.44%
Count	147	177	20.41%
Proportion per 100k	0.05	0.06	20%

Race and Ethnicity of people with the last name De Oca

In terms of ethnic identity, the Decennial U.S. Census data reveals shifts in the composition of ethnicity groups carrying the De Oca surname between 2000 and 2010. The Hispanic group saw the most significant increase, from 59.86% in 2000 to 71.75% in 2010, marking a 19.86% growth. At the same time, those identifying as Asian or Pacific Islander also grew from 4.08% to 6.21%, a rise of 52.21%. On the other hand, the proportion of those identifying as White decreased considerably from 27.21% in 2000 to 18.08% in 2010, which is a 33.55% drop. There were no individuals identifying as Black or American Indian and Alaskan Native in 2010, a change from 4.08% identifying as Black in 2000.

	2000	2010	Change
Hispanic	59.86%	71.75%	19.86%
White	27.21%	18.08%	-33.55%
Asian/Pacific Islander	4.08%	6.21%	52.21%
Two or More Races	0%	0%	0%
Black	4.08%	0%	0%
American Indian and Alaskan Native	0%	0%	0%