Explore the Family Name Giacomini

The meaning of Giacomini

Italian: patronymic or plural form of a pet form of the personal name Giacomo. Some characteristic forenames: Italian Reno, Angelo, Dino, Enrico, Geno, Guerino, Matteo, Nino, Paolo, Romano, Salvatore.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Giacomini has seen a slight increase in the United States. In 2000, Giacomini was ranked 34,342 in terms of popularity and increased to a rank of 33,499 by 2010, marking a 2.45% change. The count of individuals with this surname also grew from 624 to 681 during the same period, leading to an increase of 9.13%. Despite these changes in rank and count, the proportion of the surname per 100,000 individuals remained constant at 0.23.

	2000	2010	Change
Rank	#34,342	#33,499	2.45%
Count	624	681	9.13%
Proportion per 100k	0.23	0.23	0%

Race and Ethnicity of people with the last name Giacomini

In regards to the ethnic identity associated with the surname Giacomini, the Decennial U.S. Census data shows that it is predominantly related to individuals of White ethnicity. In both 2000 and 2010, about 96% of the individuals with this surname identified themselves as White, although there was a slight decrease of 1.08% over the decade. The percentage of people identifying as Hispanic saw an increase from 1.60% in 2000 to 2.20% in 2010. The percentage of those identifying with two or more races decreased by 18.75%, from 1.44% to 1.17%. There were no recorded instances of this surname among individuals of Asian/Pacific Islander, Black, or American Indian and Alaskan Native ethnicities.

	2000	2010	Change
White	96.79%	95.74%	-1.08%
Hispanic	1.6%	2.2%	37.5%
Two or More Races	1.44%	1.17%	-18.75%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%