Explore the Family Name Duby
The meaning of Duby
1. French: habitational name, with fused preposition and definite article du ‘from the’, for someone from a place in Doubs called Le By. 2. French: variant of Dubié (see Dubie 1). 3. Altered form of French Dubé (see Dube). Compare Dubie 2. History: Many of the American bearers of the surname Duby 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 Duby in the United States?
According to the Decennial U.S. Census data, the popularity of the surname "Duby" saw a minor decline between 2000 and 2010. Originally ranked 17,114 in 2000, it fell to 18,198th place in 2010, marking a change of -6.33%. The total count of people with the Duby surname remained fairly stable, with only one less individual recorded in 2010 (1,529) compared to 2000 (1,530). This represents a slight decrease of -0.07%. In terms of proportion per 100,000 individuals, this surname also experienced a drop from 0.57 in 2000 to 0.52 in 2010, a change of -8.77%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #17,114 | #18,198 | -6.33% |
| Count | 1,530 | 1,529 | -0.07% |
| Proportion per 100k | 0.57 | 0.52 | -8.77% |
Race and Ethnicity of people with the last name Duby
In terms of ethnic identity, the Decennial U.S. Census data presents a diverse picture for the Duby surname. The largest ethnic group associated with this surname is White, making up 93.86% in 2000 and slightly dipping to 93.46% by 2010. The Hispanic population bearing the Duby surname saw a notable increase of 26.86%, rising from 2.42% in 2000 to 3.07% in 2010. Similarly, the percentage of Black individuals with this surname also rose from 0.59% to 0.72%, marking a 22.03% change. The proportions of those identifying as Asian/Pacific Islander and American Indian and Alaskan Native both went down to zero by 2010 from 0.52% and 0.46% respectively in 2000. Meanwhile, the percentage of those claiming two or more races decreased slightly from 2.16% to 1.96%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 93.86% | 93.46% | -0.43% |
| Hispanic | 2.42% | 3.07% | 26.86% |
| Two or More Races | 2.16% | 1.96% | -9.26% |
| Black | 0.59% | 0.72% | 22.03% |
| Asian/Pacific Islander | 0.52% | 0% | 0% |
| American Indian and Alaskan Native | 0.46% | 0% | 0% |