Explore the Family Name Eustaquio

The meaning of Eustaquio

Spanish and Portuguese: from the personal name Eustaquio (see Eustace).

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

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

According to the Decennial U.S. Census data, the popularity of the surname Eustaquio has increased significantly over a decade. In 2000, it was ranked as the 51,680th most common last name in the United States, while by 2010 it had risen to 39,212th, marking a rise in popularity of 24.13%. The count of individuals bearing this surname also rose from 378 in 2000 to 561 in 2010, showing an increase of 48.41%. Consequently, the proportion of people with the surname per 100,000 inhabitants increased by 35.71% during this period.

	2000	2010	Change
Rank	#51,680	#39,212	24.13%
Count	378	561	48.41%
Proportion per 100k	0.14	0.19	35.71%

Race and Ethnicity of people with the last name Eustaquio

When it comes to ethnic identity, the largest group of individuals with the surname Eustaquio identified as Hispanic and Asian/Pacific Islander, according to the Decennial U.S. Census data. From 2000 to 2010, the percentage of those identifying as Hispanic increased from 37.30% to 44.21%, a change of 18.53%, making it the most prevalent ethnicity associated with the surname. On the other hand, those identifying as Asian/Pacific Islander decreased from 51.85% to 46.70%, a drop of 9.93%. Additionally, a small percentage of individuals reported being of multiple ethnicities, which increased from 3.97% to 4.63% over the same time period. Lastly, the percentage of those identifying as white declined notably from 6.35% to 3.92%. Notably, no individuals with this surname identified as Black or American Indian and Alaskan Native during these years.

	2000	2010	Change
Asian/Pacific Islander	51.85%	46.7%	-9.93%
Hispanic	37.3%	44.21%	18.53%
Two or More Races	3.97%	4.63%	16.62%
White	6.35%	3.92%	-38.27%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%