Explore the Family Name Guglielmo
The meaning of Guglielmo
Italian: from the personal name Guglielmo, an equivalent of William. Some characteristic forenames: Italian Angelo, Antonio, Rocco, Salvatore, Nicola, Aniello, Giuseppe, Luigi, Pasquale, Fedele, Amedeo, Antonino.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Guglielmo in the United States?
According to data from the Decennial U.S. Census, the popularity of the surname Guglielmo saw a slight decrease between 2000 and 2010. In 2000, it ranked 13,820 in terms of popularity but fell to rank 14,382 in 2010, marking a drop of 4.07%. However, the actual count of people bearing the surname increased by 3.49% during the same period, from 2,008 to 2,078. The proportion per 100,000 also decreased slightly from 0.74 to 0.7, a change of -5.41%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #13,820 | #14,382 | -4.07% |
| Count | 2,008 | 2,078 | 3.49% |
| Proportion per 100k | 0.74 | 0.7 | -5.41% |
Race and Ethnicity of people with the last name Guglielmo
The Decennial U.S. Census data on ethnicity shows that the majority of people with the surname Guglielmo identify as White, with a slight increase from 95.02% in 2000 to 95.28% in 2010. There was a notable decrease in those identifying with two or more races, dropping from 1.44% in 2000 to just 0.63% in 2010. The census recorded an increase in Hispanic representation from 3.04% to 3.42%, while the percentage of Black individuals dropped to zero. The number of Asian/Pacific Islanders and American Indian and Alaskan Natives was negligible, with the latter recording no representation in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.02% | 95.28% | 0.27% |
| Hispanic | 3.04% | 3.42% | 12.5% |
| Two or More Races | 1.44% | 0.63% | -56.25% |
| Asian/Pacific Islander | 0% | 0.43% | 0% |
| Black | 0.3% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |