Explore the Family Name Dalby

The meaning of Dalby

Norwegian, Danish, and northern English: habitational name from any of various places called Dalby, named with Old Norse dalr ‘valley’ + bȳ ‘farm, settlement’. The English surname is common in Yorkshire, where it derives mainly from Dalby in North Yorkshire, but similarly named places in Leicestershire and Lincolnshire are also possible sources. In Norway, it is common as a farm name. See also Dahlby. Some characteristic forenames: Scandinavian Britt, Erik, Knud, Nels, Obert.

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

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

Based on the Decennial U.S. Census, the surname Dalby has seen a minor decline in popularity between 2000 and 2010. Its rank slipped from 16,463 to 16,720, reflecting a slight decrease of 1.56%. However, it's worth noting that the actual count of individuals with this surname increased by 6.41% during this period, from 1,608 to 1,711. The proportion per 100,000 people also saw a small reduction of 3.33%, going down from 0.6 to 0.58.

20002010Change
Rank#16,463#16,720-1.56%
Count1,6081,7116.41%
Proportion per 100k0.60.58-3.33%

Race and Ethnicity of people with the last name Dalby

In terms of ethnicity, the data from the Decennial U.S. Census shows some significant shifts within the Dalby surname bearers between 2000 and 2010. The percentage of Asian/Pacific Islanders surged by an impressive 192.86%, albeit from a small base of 0.56%, to 1.64%. Those identifying as belonging to two or more races also increased by 44.09%. On the other hand, the proportion identifying as White dropped slightly by 1.85%. There was a modest increase in the Hispanic segment by 6.42%, and Black representation also went up by 69.89%. However, those declaring themselves as American Indian and Alaskan Native witnessed a decrease of 30.36%. Overall, it suggests a diversification in the ethnic identity associated with the Dalby surname over this decade.

20002010Change
White94.03%92.29%-1.85%
Hispanic1.87%1.99%6.42%
Asian/Pacific Islander0.56%1.64%192.86%
Black0.93%1.58%69.89%
Two or More Races0.93%1.34%44.09%
American Indian and Alaskan Native1.68%1.17%-30.36%