Explore the Family Name Sangiacomo

The meaning of Sangiacomo

Italian: habitational name from a place so named for a local church or shrine dedicated to Saint James (San Giacomo), as for example San Giacomo degli Schiavoni in Campobasso province or San Giacomo Vercellese in Vercelli. Some characteristic forenames: Italian Angelo, Rocco, Antonio, Vito.

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

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

Based on the Decennial U.S. Census, the surname Sangiacomo witnessed a slight decrease in popularity between 2000 and 2010. Ranked at 64,008 in 2000, it fell to 66,553 in 2010, marking a 3.98 percent drop. However, the number of individuals with this surname did see a small increase from 291 to 297 during the same period, indicating a growth rate of 2.06 percent. Nevertheless, its overall prevalence per 100k people declined by 9.09 percent.

20002010Change
Rank#64,008#66,553-3.98%
Count2912972.06%
Proportion per 100k0.110.1-9.09%

Race and Ethnicity of people with the last name Sangiacomo

The ethnic identity associated with the surname Sangiacomo also experienced changes over the decade, as reported by the Decennial U.S. Census. The majority of bearers of the surname identified as White, although the percentage decreased slightly from 95.88 in 2000 to 93.94 in 2010. At the same time, there was a significant increase in those identifying as Hispanic, from 3.78 percent in 2000 to 5.39 percent in 2010, showing a rise of 42.59 percent. No changes were observed among those who identify as Asian/Pacific Islander, Black, American Indian and Alaskan Native, or those reporting two or more races.

20002010Change
White95.88%93.94%-2.02%
Hispanic3.78%5.39%42.59%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%