Explore the Family Name Mancillas

The meaning of Mancillas

Spanish: plural form of Mancilla. Some characteristic forenames: Spanish Jose, Pedro, Francisco, Luis, Manuel, Angel, Francisca, Javier, Jorge, Juan, Lauro, Mateo.

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

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

Based on the Decennial U.S. Census data, the surname Mancillas has seen a growth in popularity from 2000 to 2010. In 2000, it was ranked 13,584th and by 2010, it had risen to 11,448th, marking a significant increase of 15.72%. The total count of individuals with this surname also increased during this period, going from 2,050 in 2000 to 2,751 in 2010, a growth of 34.2%. Furthermore, the proportion of people named Mancillas per 100,000 population also rose by 22.37%, indicating an overall surge in the popularity of this surname.

	2000	2010	Change
Rank	#13,584	#11,448	15.72%
Count	2,050	2,751	34.2%
Proportion per 100k	0.76	0.93	22.37%

Race and Ethnicity of people with the last name Mancillas

When it comes to ethnic identity associated with the surname Mancillas, the Decennial U.S. Census provides an interesting breakdown. The overwhelming majority of people with this surname identified as Hispanic, with 93.02% in 2000 and a slight increase to 93.35% in 2010. A small percentage of people with this surname identified as White, with 5.80% in 2000 and a marginal rise to 5.85% in 2010. Those identifying as American Indian and Alaskan Native also saw a growth of 17.65%, albeit from a small base of 0.34% in 2000 to 0.40% in 2010. In 2010, Black was newly listed as an ethnic identity at 0.33%, while Two or more races dropped off completely from 0.39% in 2000. There were no individuals who identified as Asian/Pacific Islander in either year.

	2000	2010	Change
Hispanic	93.02%	93.35%	0.35%
White	5.8%	5.85%	0.86%
American Indian and Alaskan Native	0.34%	0.4%	17.65%
Black	0%	0.33%	0%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0.39%	0%	0%