Explore the Family Name Simas

The meaning of Simas

Portuguese: from the personal name Simas, unexplained. Some characteristic forenames: Spanish Manuel, Jose, Mario, Carlos, Luis, Adelino, Ana, Dalia, Domingos, Fernando, Filomeno, Gabriela. Portuguese Joao, Albano, Duarte.

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

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

Based on the Decennial U.S. Census, the popularity of the surname Simas saw a slight shift between 2000 and 2010. In 2000, Simas was ranked at 14,472, but by 2010 it had moved up to 14,511. Despite this fall in rank, the actual count of people with the surname increased from 1,891 in 2000 to 2,055 in 2010, indicating an 8.67% growth rate over the decade. However, the proportion per 100k people remained steady at 0.7.

	2000	2010	Change
Rank	#14,472	#14,511	-0.27%
Count	1,891	2,055	8.67%
Proportion per 100k	0.7	0.7	0%

Race and Ethnicity of people with the last name Simas

In terms of ethnicity, the data from the Decennial U.S. Census reveals interesting changes for individuals carrying the Simas surname. The percentage of Simas-identified individuals who identify as Asian/Pacific Islander rose significantly from 1.11% in 2000 to 1.75% in 2010. There was also a substantial increase among those identifying as Hispanic, jumping from 4.81% to 7.79%. Yet, the largest ethnic group remains those who identify as White, accounting for 86.13% of all Simas in 2010, a slight increase from 85.09% in 2000. Other ethnic identities such as those who identify as Black or two or more races experienced declines over the ten-year period, while those identifying as American Indian and Alaskan Native saw a modest rise.

	2000	2010	Change
White	85.09%	86.13%	1.22%
Hispanic	4.81%	7.79%	61.95%
Black	4.39%	1.9%	-56.72%
Asian/Pacific Islander	1.11%	1.75%	57.66%
Two or More Races	4.07%	1.75%	-57%
American Indian and Alaskan Native	0.53%	0.68%	28.3%