Explore the Family Name Tominaga
The meaning of Tominaga
Japanese: written 富永 ‘abundance eternal’. It is a habitational name taken from villages in Mikawa (now part of Aichi prefecture) and Ōmi (now Shiga prefecture), found mostly in western Japan. Some characteristic forenames: Japanese Mitsuru, Yuji, Akiko, Akinori, Hayato, Hideo, Hiroshi, Junji, Kanji, Kazunari, Kazuo, Kenichi.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Tominaga in the United States?
Based on data from the Decennial U.S. Census, the popularity of the surname Tominaga showed a slight decrease in rank from 2000 to 2010, moving down from 50,801 to 51,830, marking a 2.03% decrease. However, the actual count of people with the Tominaga surname increased slightly during the same period from 386 to 401, a rise of 3.89%. The proportion per 100,000 people remained unchanged at 0.14.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #50,801 | #51,830 | -2.03% |
| Count | 386 | 401 | 3.89% |
| Proportion per 100k | 0.14 | 0.14 | 0% |
Race and Ethnicity of people with the last name Tominaga
The ethnic identity associated with the Tominaga surname, as indicated by the Decennial U.S. Census data, is predominantly Asian/Pacific Islander. Although this group decreased by 7.61% between 2000 and 2010, it still accounted for 77.31% of those with the surname in 2010. During the same decade, there were increases in the percentage of people with the Tominaga surname identifying as having two or more races (30.76% increase), being white (26.84% increase), and being Hispanic (70.33% increase). No change was recorded for those identifying as Black or American Indian and Alaskan Native.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 83.68% | 77.31% | -7.61% |
| Two or More Races | 7.25% | 9.48% | 30.76% |
| White | 5.7% | 7.23% | 26.84% |
| Hispanic | 3.37% | 5.74% | 70.33% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |