Explore the Family Name Isaza

The meaning of Isaza

Basque: Castilianized form of Isasa, a topographic name from isats ‘broom’ (the plant) + the definite article -a. The surname Isaza is very rare in Spain; it is found mainly in Colombia. Some characteristic forenames: Spanish Luis, Adriana, Fernando, Jesus, Jorge, Mario, Octavio, Ruben, Alfredo, Bernardo, Camilo, Carlos.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Isaza has increased significantly over a decade. In the year 2000, the surname was ranked 34,342 in popularity and was held by approximately 624 individuals. However, by 2010, the surname had climbed up the ranks to 28,001, marking an impressive 18.46% increase. The total count of individuals bearing the surname also rose by 37.18% from 624 to 856 within the same period. Consequently, the proportion of the surname per 100k people also increased from 0.23 to 0.29.

	2000	2010	Change
Rank	#34,342	#28,001	18.46%
Count	624	856	37.18%
Proportion per 100k	0.23	0.29	26.09%

Race and Ethnicity of people with the last name Isaza

The ethnic identity associated with the surname Isaza is predominantly Hispanic, according to data from the Decennial U.S. Census. In 2000, about 90.22% of the individuals with the surname identified as Hispanic, although this figure slightly decreased to 88.79% by 2010. The white population with this surname also saw a slight increase from 9.46% in 2000 to 10.40% in 2010. There were no recorded instances of the surname among Asian/Pacific Islander, Black, American Indian and Alaskan Native communities, or those identifying with two or more races.

	2000	2010	Change
Hispanic	90.22%	88.79%	-1.59%
White	9.46%	10.4%	9.94%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%