Explore the Family Name Giammanco

The meaning of Giammanco

Italian: either a compound of the personal name Gianni + manco ‘left-handed’ (see Manco), or in some cases, an assimilated form of Giambanco. Some characteristic forenames: Italian Angelo, Ciro, Giuseppe, Salvatore, Piero, Pietro, Rosolino, Salvator.

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

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

Based on the Decennial U.S. Census data, the surname Giammanco increased in popularity between 2000 and 2010. In 2000, it was ranked at 57,544, but by 2010, it moved up to 55,121, marking a 4.21% increase. The count of people with this surname also grew from 331 to 373 during this decade, an increase of 12.69%. Additionally, the proportion of individuals with this surname per 100,000 people rose from 0.12 to 0.13, showing an 8.33% increase.

20002010Change
Rank#57,544#55,1214.21%
Count33137312.69%
Proportion per 100k0.120.138.33%

Race and Ethnicity of people with the last name Giammanco

The ethnic identity associated with the surname Giammanco also saw some changes over the same period, according to the Decennial U.S. Census data. In 2000, 94.86% of individuals with this surname identified as White, dropping slightly to 91.42% by 2010. The number of those identifying as Hispanic increased significantly from 3.02% to 6.43%, a growth of 112.91%. Interestingly, a small proportion (1.34%) identified as Asian/Pacific Islander in 2010, where there were none in 2000. No individuals with this surname identified as Black or American Indian and Alaskan Native in either census year.

20002010Change
White94.86%91.42%-3.63%
Hispanic3.02%6.43%112.91%
Asian/Pacific Islander0%1.34%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%