Explore the Family Name Dehay

The meaning of Dehay

1. French: topographic name, with fused preposition de ‘from’, for someone who lived by an enclosure, from the masculine form of Old French haye ‘hedge’; or a habitational name from any of various places called with this word (see Hay 9). 2. Altered form (also De Hay) of Dutch De Haij or De Haaij, which is probably of French origin (see above).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname 'Dehay' experienced a slight decline between 2000 and 2010. The rank of the name dropped from 68,569 to 70,833, marking a decrease of 3.3%. However, interestingly, the count of individuals bearing the name actually increased by nearly 3% during this decade, rising from 268 to 276. Despite this growth in count, the proportion of people with the 'Dehay' surname per 100,000 decreased by 10%, moving from 0.1 to 0.09.

	2000	2010	Change
Rank	#68,569	#70,833	-3.3%
Count	268	276	2.99%
Proportion per 100k	0.1	0.09	-10%

Race and Ethnicity of people with the last name Dehay

Examining the same Decennial U.S. Census data for ethnic identity, it's evident that most individuals with the 'Dehay' surname identified as White in both 2000 and 2010. Specifically, the percentage stood at 95.9% in 2000 and dipped slightly to 94.2% in 2010. It's noteworthy that there was no representation from Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native backgrounds in either year. However, there was a small emergence of individuals who identified with two or more races in 2010, making up approximately 4% of the Dehays, a change from zero in 2000.

	2000	2010	Change
White	95.9%	94.2%	-1.77%
Two or More Races	0%	3.99%	0%
Asian/Pacific Islander	0%	0%	0%
Hispanic	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%