Explore the Family Name Tomassini

The meaning of Tomassini

Italian: patronymic or plural form of a pet form of Tomasso, itself a variant of Tomaso ‘Thomas’. Some characteristic forenames: Spanish Ines, Juan, Juana, Racquel, Ramon, Ramona. Italian Aldo, Flavio, Geno, Piero, Reno, Santino.

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

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

Based on Decennial U.S. Census data, the surname Tomassini experienced minimal fluctuation in its popularity between 2000 and 2010. The name's ranking fell slightly from 62,396 in 2000 to 62,903 in 2010, marking a minor decrease of 0.81%. Despite this slight drop in rank, the count of individuals bearing the Tomassini surname increased by 6%, growing from 300 in 2000 to 318 in 2010. The proportion of the surname per 100,000 population remained steady at 0.11.

	2000	2010	Change
Rank	#62,396	#62,903	-0.81%
Count	300	318	6%
Proportion per 100k	0.11	0.11	0%

Race and Ethnicity of people with the last name Tomassini

Regarding ethnicity, the Decennial U.S. Census data notes some shifts in the ethnic identity associated with the Tomassini surname from 2000 to 2010. In both years, there were no reported instances of the surname among the Asian/Pacific Islander community or those identifying with two or more races. The prevalence of this surname within the White ethnicity decreased by 8.87%, dropping from 68.67% in 2000 to 62.58% in 2010. Conversely, the representation of the surname within the Hispanic community rose by 16.88%, increasing from 29.33% in 2000 to 34.28% in 2010. The surname also appeared among the Black community in 2010, making up 1.57%, whereas it had not been present in 2000. There was no change for American Indian and Alaskan Native holders of the Tomassini surname.

	2000	2010	Change
White	68.67%	62.58%	-8.87%
Hispanic	29.33%	34.28%	16.88%
Black	0%	1.57%	0%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%