Explore the Family Name Quadros

The meaning of Quadros

Portuguese: from Spanish Cuadros. The name was taken to Portugal in the 15th century. Some characteristic forenames: Spanish Jose, Manuel, Francisco, Raul, Alda, Ana, Carlos, Domingos, Eduardo, Herminio, Mario, Miguel. Portuguese Albano, Joao, Paulo.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname "Quadros" has seen a significant increase between 2000 and 2010. In the year 2000, Quadros ranked 49,767 in popularity, but by 2010 it had leapt to rank 44,423. This leap represents a 10.74% increase in popularity. Similarly, the count of individuals with the surname Quadros rose by 22.22%, from 396 in 2000 to 484 in 2010. The proportion per 100k also saw a small rise of 6.67%.

	2000	2010	Change
Rank	#49,767	#44,423	10.74%
Count	396	484	22.22%
Proportion per 100k	0.15	0.16	6.67%

Race and Ethnicity of people with the last name Quadros

Regarding the ethnic identity associated with the surname Quadros, the data from the Decennial U.S. Census presents an interesting transformation from 2000 to 2010. The percentage of Quadros identifying as Asian/Pacific Islander rose dramatically by 215.05%. On the other hand, those identifying as Two or more races witnessed a decline of 78.54%. Although the majority of people with this surname are White (76.24% in 2010), this category experienced a minor decline of 4.16%. The Hispanic portion of Quadros fell notably by 43.35%, while Black representation appeared for the first time in 2010 at 1.24%. The American Indian and Alaskan Native category remained constant, showing no change over the decade.

	2000	2010	Change
White	79.55%	76.24%	-4.16%
Asian/Pacific Islander	5.05%	15.91%	215.05%
Hispanic	9.85%	5.58%	-43.35%
Black	0%	1.24%	0%
Two or More Races	4.8%	1.03%	-78.54%
American Indian and Alaskan Native	0%	0%	0%