Sangiacomo
An Italian surname derived from Saint James (San Giacomo), possibly indicating one's hometown.
According to the 2010 US Census Bureau surname tables, roughly 343 Americans carry the last name Sangiacomo. That puts it at #66,553 in the national surname ranking, appearing at a frequency of 0.10 per 100,000 people (about 1 in 999,284 residents).
This page is the full Name Census profile for the Sangiacomo surname. You will find the Census Bureau frequency data, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
Bearers in the US
343
1 in 999,284
Census rank
#66,553
2010 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
297
very rare in the US
Popularity narrative
The Census Bureau recorded 297 bearers of the surname Sangiacomo in its 2010 decennial surname file. At a rate of 0.10 per 100,000 residents, it holds the 66553rd position in the national surname ranking.
Among Census respondents with the surname Sangiacomo, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (5.4%).
Origin
Meaning and origin of Sangiacomo
The surname Sangiacomo is of Italian origin, specifically from the regions of Liguria and Tuscany. It is derived from the Italian phrase "San Giacomo," which means "Saint James." This name likely has its roots in the Middle Ages, when the veneration of Saint James was widespread, particularly during the medieval era's religious pilgrimages.
One of the earliest recorded instances of the surname Sangiacomo can be found in the Codice Diplomatico della Repubblica di Genova, a collection of diplomatic documents from the Republic of Genoa, dating back to the 13th century. This suggests that the name was already in use during that time period in the region of Liguria.
In the 14th century, there are records of a nobleman named Oberto Sangiacomo, who was a prominent figure in the city of Genoa. He was involved in various political and military affairs during the conflicts between the Guelphs and Ghibellines in medieval Italy.
During the Renaissance period, the name Sangiacomo was associated with several notable individuals, including the architect and sculptor Jacopo Sangiacomo, who was active in the 16th century and contributed to the construction of various churches and palaces in Genoa.
In the 17th century, a famous painter named Giovanni Battista Sangiacomo gained recognition for his religious paintings and frescoes, which adorned many churches in Liguria and Tuscany.
Another notable figure with the surname Sangiacomo was Domenico Sangiacomo, a philosopher and theologian who lived in the 18th century. He was a professor at the University of Genoa and authored several works on ethics and moral philosophy.
In the 19th century, the name Sangiacomo was also associated with a prominent family from the town of Chiavari in Liguria, where they were involved in various business ventures and held influential positions in local government.
Overall, the surname Sangiacomo has a rich historical legacy, particularly in the regions of Liguria and Tuscany, where it has been present for centuries and has been carried by individuals who have made significant contributions to various fields, including architecture, art, philosophy, and local governance.
Demographics
Ancestry and ethnicity for Sangiacomo
Among Census respondents with the surname Sangiacomo, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (5.4%).
The bar chart below shows how Sangiacomo bearers described their own race and ethnicity on the 2010 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Sangiacomo surname at the time of the 2010 Census, not any inherent property of the name itself.
- White93.9%
- Hispanic or Latino5.4%
Year on year
2010 vs 2010 Census
How has the Sangiacomo surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2010 | Change |
|---|---|---|---|
| Rank | #66,553 | #66,553 | 0.0% |
| Count | 297 | 297 | 0.0% |
| Per 100K | 0.10 | 0.10 | 0.0% |
Between the 2010 and 2010 Census, the number of Sangiacomo bearers went from 297 to 297 (+0.0% change). The surname held its position in the national ranking, going from #66,553 to #66,553.
Notable bearers
Famous people with the surname Sangiacomo
FAQ
Sangiacomo surname: questions and answers
How common is the last name Sangiacomo?
The surname Sangiacomo holds position #66,553 in the US Census Bureau's surname ranking, with an estimated 343 living bearers. It occurs at a rate of 0.10 per 100,000 Americans.
What is the ethnic background of the Sangiacomo surname?
Among Census respondents with the surname Sangiacomo, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (5.4%). These figures come from the 2010 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Where does this surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These tables list every surname that appeared 100 or more times in the 2010 Census, along with a frequency rate and self-reported demographic breakdown. You can read the full explanation on our methodology page.