Explore the Family Name Neptune
The meaning of Neptune
English and West Indian (mainly Haiti): from an English and French variant of the name of the Roman god of freshwater and the sea, Latin Neptunus. As the English surname it might be applied as a nickname, but in Haiti and elsewhere in the West Indies it originates, at least in part, from the personal name Neptune of the same origin. This surname is also found among Native Americans, namely the Passamaquoddies in ME. Some characteristic forenames: French Andre, Armand, Elmire, Gisele, Jean-Luc, Luce, Magalie.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Neptune in the United States?
The surname "Neptune" has seen a slight increase in popularity over the last decade, according to data from the Decennial U.S. Census. In 2000, it ranked 17,128 in popularity and had increased to rank 17,033 by 2010. This represents a change of approximately 0.55%. Over the same period, the actual count of people with the Neptune surname rose from 1,528 to 1,668, indicating a growth rate of 9.16%. Interestingly, the proportion of individuals with this surname per 100,000 people remained constant at 0.57.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #17,128 | #17,033 | 0.55% |
| Count | 1,528 | 1,668 | 9.16% |
| Proportion per 100k | 0.57 | 0.57 | 0% |
Race and Ethnicity of people with the last name Neptune
The ethnicity associated with the surname "Neptune" shows some interesting shifts between 2000 and 2010, as revealed by the Decennial U.S. Census. The percentage identifying as White decreased from 56.54% to 48.92%, while those identifying as Black saw an increase from 31.09% to 36.33%. Additionally, individuals identifying as American Indian and Alaskan Native also rose slightly from 6.22% to 7.37%. The data also shows a new emergence of the Neptune surname among individuals identifying as Asian/Pacific Islander and Hispanic in 2010, which were not present in 2000. Furthermore, individuals identifying with two or more ethnicities saw a slight increase from 3.66% to 3.96%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 56.54% | 48.92% | -13.48% |
| Black | 31.09% | 36.33% | 16.85% |
| American Indian and Alaskan Native | 6.22% | 7.37% | 18.49% |
| Two or More Races | 3.66% | 3.96% | 8.2% |
| Hispanic | 0% | 3.06% | 0% |
| Asian/Pacific Islander | 0% | 0.36% | 0% |