Explore the Family Name Dubay

The meaning of Dubay

1. Altered form of French Dubé (see Dube 1). 2. Hungarian: habitational name for someone from a place called Duba in Zala County. This surname is also found in Slovakia. History: The majority of the American bearers of the surname Dubay are descendants of Mathurin Dubé from France, who was in QC by 1670 (see Dube).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Dubay has experienced a slight decline in the United States. In 2000, Dubay was ranked as the 10,072nd most popular surname, with a count of approximately 2,951 occurrences. By 2010, the rank had dropped to 10,914 and the count decreased to 2,916, showing a decrease of 8.36% in rank and 1.19% in count over the decade. The proportion of the surname per 100,000 people also dipped by 9.17%, from 1.09 to 0.99.

	2000	2010	Change
Rank	#10,072	#10,914	-8.36%
Count	2,951	2,916	-1.19%
Proportion per 100k	1.09	0.99	-9.17%

Race and Ethnicity of people with the last name Dubay

When it comes to ethnic identity associated with the surname Dubay, there were some shifts observed between 2000 and 2010 according to the Decennial U.S. Census. While the majority of individuals identifying as White remained relatively stable at around 95%, there were increases in those identifying as Asian/Pacific Islander (from 0.75% to 0.86%) and Hispanic (from 1.05% to 1.75%), and a substantial increase in those identifying with two or more races (from 1.19% to 1.54%). On the other hand, decreases were noted in those identifying as Black (from 0.27% to 0.21%) and American Indian and Alaskan Native (from 1.29% to 0.65%).

	2000	2010	Change
White	95.46%	94.99%	-0.49%
Hispanic	1.05%	1.75%	66.67%
Two or More Races	1.19%	1.54%	29.41%
Asian/Pacific Islander	0.75%	0.86%	14.67%
American Indian and Alaskan Native	1.29%	0.65%	-49.61%
Black	0.27%	0.21%	-22.22%