Explore the Family Name Dorgan

The meaning of Dorgan

Irish (Cork): variant of Dargan.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Dorgan has seen a slight decrease from 2000 to 2010. In 2000, it was ranked as the 16,104th most common surname in the United States, but by 2010, it had fallen to the 16,881st position, marking a decline of -4.82%. However, the count of individuals with this surname increased from 1,653 in 2000 to 1,688 in 2010, showing a growth of 2.12%. The proportion per 100k people also experienced a small drop of -6.56%, going from 0.61 in 2000 to 0.57 in 2010.

20002010Change
Rank#16,104#16,881-4.82%
Count1,6531,6882.12%
Proportion per 100k0.610.57-6.56%

Race and Ethnicity of people with the last name Dorgan

The ethnic identity associated with the Dorgan surname also shifted between 2000 and 2010 according to the Decennial U.S. Census data. The largest ethnic group remained those who identified as White, though their proportion decreased from 94.07% in 2000 to 93.01% in 2010. There was a notable increase in those identifying as Asian/Pacific Islander (from 0.36% to 0.95%) and Hispanic (from 1.33% to 2.31%) over this time period. Additionally, a decrease was observed for those identifying as Black (from 2.06% to 1.66%) and American Indian and Alaskan Native (from 0.73% to 0.47%). The group identifying as two or more races saw a modest increase from 1.45% to 1.60%.

20002010Change
White94.07%93.01%-1.13%
Hispanic1.33%2.31%73.68%
Black2.06%1.66%-19.42%
Two or More Races1.45%1.6%10.34%
Asian/Pacific Islander0.36%0.95%163.89%
American Indian and Alaskan Native0.73%0.47%-35.62%