Explore the Family Name Losa

The meaning of Losa

Spanish and Italian (Lombardy): topographic name from losa ‘slate’, denoting someone who lived in a place where this kind of stone abounds, or an occupational name for a slater.

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

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

Based on the Decennial U.S. Census, the surname Losa has seen a minor decrease in popularity between 2000 and 2010. In 2000, it was ranked 52,608th most popular surname and fell slightly to the 54,055th spot in 2010, marking a 2.75% drop. However, despite this drop in rank, the count of individuals with the Losa surname increased from 370 in 2000 to 382 by 2010, showing a growth of 3.24%. The proportion per 100,000 people also saw a minimal decrease from 0.14 to 0.13 over the same period.

	2000	2010	Change
Rank	#52,608	#54,055	-2.75%
Count	370	382	3.24%
Proportion per 100k	0.14	0.13	-7.14%

Race and Ethnicity of people with the last name Losa

In terms of ethnicity, data from the Decennial U.S. Census shows that the majority of individuals with the Losa surname identify as Hispanic, with the percentage increasing from 61.62% in 2000 to 65.45% in 2010. The second most common ethnic identity associated with this surname is White, which decreased from 29.19% in 2000 to 27.23% in 2010. Asian/Pacific Islander representation also dropped over the decade, moving from 5.41% to 4.45%. Interestingly, the census recorded an emergence of individuals identifying with two or more races in 2010, while the percentage of those identifying as Black decreased to zero from 2.43% in 2000. There were no individuals identifying as American Indian and Alaskan Native in either census year.

	2000	2010	Change
Hispanic	61.62%	65.45%	6.22%
White	29.19%	27.23%	-6.71%
Asian/Pacific Islander	5.41%	4.45%	-17.74%
Two or More Races	0%	1.57%	0%
Black	2.43%	0%	0%
American Indian and Alaskan Native	0%	0%	0%