Explore the Family Name Omura

The meaning of Omura

Japanese (Ōmura): written 大村 ‘large village’. It is a placename and surname found throughout Japan and the Ryūkyū Islands. The name listed in the Shinsen shōjiroku may be taken from a district in Hizen (now Nagasaki prefecture). Some characteristic forenames: Japanese Akiko, Emiko, Hiroshi, Toshio, Akihiro, Akio, Asao, Atsushi, Azusa, Hiromi, Hisanori, Hisashi.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Omura has seen a decline between 2000 and 2010. In 2000, it held the rank of 49,366, but by 2010 had fallen to 55,741 - a change of approximately -12.91%. The census also showed a decrease in the number of people with this last name during this period, from 400 in 2000 to 368 in 2010, representing an 8% drop. The proportion per 100,000 people also fell by 20%, going from 0.15 in 2000 to 0.12 in 2010.

	2000	2010	Change
Rank	#49,366	#55,741	-12.91%
Count	400	368	-8%
Proportion per 100k	0.15	0.12	-20%

Race and Ethnicity of people with the last name Omura

In terms of ethnic identity, the Decennial U.S. Census data reveals that most individuals with the surname Omura identify as Asian/Pacific Islander. However, there has been a drop in this demographic from 83% in 2000 to 72.55% in 2010. Interestingly, there was a significant increase in those identifying as two or more races, from 7.5% in 2000 to 14.4% in 2010. The percentage of individuals identifying as White also rose from 6.25% to 9.51% over the same period. Meanwhile, those identifying as Hispanic saw a modest growth from 3% to 3.26%, while the percentages for Black, American Indian, and Alaskan Native ethnicities remained at zero.

	2000	2010	Change
Asian/Pacific Islander	83%	72.55%	-12.59%
Two or More Races	7.5%	14.4%	92%
White	6.25%	9.51%	52.16%
Hispanic	3%	3.26%	8.67%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%