Explore the Family Name Aaby

The meaning of Aaby

Norwegian and Danish (also Åby): habitational name from a place called Aaby or Åby, from å (old spelling aa) ‘stream, small river’ + Old Norse býr ‘farm’. In Norway this is a farm name in five places.

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

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

Based on the Decennial U.S. Census, the surname Aaby held a popularity rank of 82,019 in 2000 and dropped slightly to 85,049 by 2010, marking a decrease of 3.69 percent. Even though the rank decreased, the count or number of people with the Aaby surname increased modestly from 214 in 2000 to 220 in 2010, indicating an increase of 2.8 percent. However, when considering the proportion per 100,000 population, the frequency of the surname Aaby decreased by 12.5 percent over the same period.

20002010Change
Rank#82,019#85,049-3.69%
Count2142202.8%
Proportion per 100k0.080.07-12.5%

Race and Ethnicity of people with the last name Aaby

The Decennial U.S. Census also provides important information about the ethnic identity associated with the surname Aaby. In 2000, 99.53 percent of those bearing the surname identified as White, decreasing to 98.18 percent by 2010. No significant identification was reported with Asian/Pacific Islander, Black, Hispanic, or American Indian and Alaskan Native ethnicities in either 2000 or 2010. Furthermore, there were no instances of more than one ethnicity being claimed for this surname during these years.

20002010Change
White99.53%98.18%-1.36%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%