Explore the Family Name Guerreo

The meaning of Guerreo

Hispanic: derivative of Spanish guerra ‘war’ (see Guerra).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Guerreo saw a significant increase between 2000 and 2010. In 2000, Guerreo was ranked 63,297th in terms of prevalence but jumped to 45,653rd by 2010, indicating an upward shift of approximately 27.87%. In absolute numbers as well, the count of individuals bearing the surname Guerreo rose from 295 in 2000 to 468 in 2010, marking a growth of 58.64%. This indicates that for every 100,000 people surveyed, the number having this surname increased from 0.11 to 0.16 — a rise of 45.45%.

	2000	2010	Change
Rank	#63,297	#45,653	27.87%
Count	295	468	58.64%
Proportion per 100k	0.11	0.16	45.45%

Race and Ethnicity of people with the last name Guerreo

Turning our attention to the ethnic identity associated with the surname Guerreo, we note certain shifts over the decade based on the Decennial U.S. Census data. While the Hispanic community retained the highest association with the name, growing from 89.15% in 2000 to 91.24% in 2010, there was a noticeable decline amongst those identifying as Asian/Pacific Islander, dropping from 2.37% to 1.71%. The White community also witnessed a slight decrease in the proportion associating themselves with the surname Guerreo, falling from 5.76% to 5.34%. For other ethnic groups such as Black, American Indian and Alaskan Native, and those identifying with two or more races, the data was either suppressed for privacy or remained unchanged.

	2000	2010	Change
Hispanic	89.15%	91.24%	2.34%
White	5.76%	5.34%	-7.29%
Asian/Pacific Islander	2.37%	1.71%	-27.85%
Two or More Races	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%