Explore the Family Name Omori
The meaning of Omori
Japanese (Ōmori): written 大森 ‘large grove’. It is found mostly in eastern Japan and the island of Okinawa. Some bearers, of Fujiwara origin, took the name from a district in Suruga (now part of Shizuoka prefecture). Some characteristic forenames: Japanese Masao, Shigeru, Hideo, Keiko, Mika, Seijiro, Toshio, Akira, Chizuko, Hide, Hiromi, Hiroyuki.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Omori in the United States?
According to data from the Decennial U.S. Census, the popularity of the surname Omori has seen a slight decline between 2000 and 2010. In 2000, Omori was ranked 34,630 in popularity and by 2010, it had fallen to 38,484, marking an 11.13% decrease. The number of people with this surname also decreased during this period, going from 618 individuals in 2000 to 575 in 2010. This represents a drop of 6.96%. Additionally, the proportion per 100,000 residents fell by 17.39%, indicating the surname's declining prevalence.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #34,630 | #38,484 | -11.13% |
| Count | 618 | 575 | -6.96% |
| Proportion per 100k | 0.23 | 0.19 | -17.39% |
Race and Ethnicity of people with the last name Omori
In terms of ethnicity, the data from the Decennial U.S. Census shows that the majority of individuals with the Omori surname identify as Asian/Pacific Islander. However, there has been a slight decrease in this group, from 80.26% in 2000 to 76.35% in 2010. During the same period, there was a significant increase in those identifying as two or more races, surging from 8.41% to 11.48%. Both White and Hispanic ethnicities showed slight increases, at 3.21% and 1.72% respectively, while African American representation emerged from 0 to 0.87%. There was no change in the percentage of American Indian and Alaskan Native persons bearing the Omori surname.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 80.26% | 76.35% | -4.87% |
| Two or More Races | 8.41% | 11.48% | 36.5% |
| White | 8.09% | 8.35% | 3.21% |
| Hispanic | 2.91% | 2.96% | 1.72% |
| Black | 0% | 0.87% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |