Explore the Family Name Girolamo

The meaning of Girolamo

Italian: from a popular variant of the personal name Geronimo, from Greek Hierōnymos (see Hieronymus). Compare Di Girolamo. Some characteristic forenames: Italian Rocco, Carlo, Gino, Michelina, Nicola, Pasquale.

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

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

The surname Girolamo, based on the Decennial U.S. Census data, has experienced a slight decrease in popularity between 2000 and 2010. In 2000, it was ranked 38,524th in popularity and dropped to 39,419th by 2010, showing a -2.32% change. Despite this, the count of people bearing the surname Girolamo increased from 540 in 2000 to 558 in 2010, marking a growth of 3.33%. However, when looking at the proportion per 100,000 people, there has been a -5.00% decline from 0.2 in 2000 to 0.19 in 2010.

20002010Change
Rank#38,524#39,419-2.32%
Count5405583.33%
Proportion per 100k0.20.19-5%

Race and Ethnicity of people with the last name Girolamo

In terms of ethnicity, the majority of individuals with the surname Girolamo identified as White, according to the Decennial U.S. Census data. There was a minimal reduction in this group from 95.19% in 2000 to 94.80% in 2010. The second-largest ethnic identity group was Hispanic, which saw a significant increase from 2.59% in 2000 to 3.94% in 2010, representing a 52.12% change. The percentage of people who identified as having two or more races dropped to zero in 2010 from 1.30% in 2000. There were no recorded instances of individuals identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either 2000 or 2010.

20002010Change
White95.19%94.8%-0.41%
Hispanic2.59%3.94%52.12%
Asian/Pacific Islander0%0%0%
Two or More Races1.3%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%