Explore the Family Name Isidro

The meaning of Isidro

Spanish: from a shortened form of the personal name Isidoro, Greek Isidōros (see Isidore). Some characteristic forenames: Spanish Jose, Alfonso, Alfredo, Angel, Arnulfo, Beltran, Braulio, Cirilo, Corazon, Edgardo, Eleuteria, Enrique.

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

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

According to the Decennial U.S. Census, the surname "Isidro" has seen a significant rise in popularity from 2000 to 2010. In 2000, it was ranked 20,367th most popular, but by 2010, it had jumped to 14,127—a growth of over 30%. The actual count of individuals with this surname also rose during this period, from 1,213 to 2,127, showing an impressive increase of 75.35%. Similarly, the proportion of people named Isidro per 100,000 population grew from 0.45 to 0.72, marking a 60% upsurge.

	2000	2010	Change
Rank	#20,367	#14,127	30.64%
Count	1,213	2,127	75.35%
Proportion per 100k	0.45	0.72	60%

Race and Ethnicity of people with the last name Isidro

In terms of ethnicity, the Decennial U.S. Census reveals a number of shifts between 2000 and 2010. In 2000, the majority of individuals named Isidro identified as Hispanic (59.93%), followed by Asian/Pacific Islander (33.47%), and White (4.53%). Fast forward to 2010, there was a notable increase in the percentage of individuals with the surname identifying as Hispanic (67.23%), while the portion who identified as Asian/Pacific Islander decreased to 27.5%. There was also a slight reduction in those identifying as White, down to 3.29%. Interestingly, the census recorded individuals identifying as Black and American Indian and Alaskan Native under the surname for the first time in 2010, though these groups remained relatively small.

	2000	2010	Change
Hispanic	59.93%	67.23%	12.18%
Asian/Pacific Islander	33.47%	27.5%	-17.84%
White	4.53%	3.29%	-27.37%
Two or More Races	1.73%	1.41%	-18.5%
Black	0%	0.33%	0%
American Indian and Alaskan Native	0%	0.24%	0%