Explore the Family Name Denio

The meaning of Denio

1. Altered form of French Denoyon: habitational name, with fused preposition de ‘from’, denoting someone from Noyon, the name of a few places in the north of France (e.g. in Oise). The surname Denoyon is no longer found in France (only a variant without the preposition de is registered as a surname). 2. Altered form of French Deniau (see Deneau).

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

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

Based on the Decennial U.S. Census data, the surname Denio has moderately maintained its popularity between 2000 and 2010. In 2000, it ranked 33,563 in terms of prevalence, with 641 people bearing the name. Ten years later, the rank slightly dropped to 33,596, but interestingly, the count increased by 5.77% to 678 individuals. This slight discrepancy can be attributed to the overall population growth during this period. However, when viewed proportionally per 100k individuals, there was a minor decrease of -4.17%.

	2000	2010	Change
Rank	#33,563	#33,596	-0.1%
Count	641	678	5.77%
Proportion per 100k	0.24	0.23	-4.17%

Race and Ethnicity of people with the last name Denio

The Decennial U.S. Census also provides insight into the ethnic identity associated with the surname Denio. The majority of people carrying this last name identified as White, making up 94.85% of Denios in 2000 and slightly dropping to 94.10% in 2010. Those identifying as having two or more ethnicities made up 2.50% in 2000, which slightly decreased to 2.36% in 2010. The Hispanic population saw a significant increase from 0.94% in 2000 to 2.36% in 2010. Populations identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native were negligible or suppressed for privacy.

	2000	2010	Change
White	94.85%	94.1%	-0.79%
Two or More Races	2.5%	2.36%	-5.6%
Hispanic	0.94%	2.36%	151.06%
American Indian and Alaskan Native	0.78%	0.74%	-5.13%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%