About the surname Duggan
Duggan is held by approximately 12,237 people worldwide, ranking #2928 globally. In the United States it ranks #2928 (Census 2010) with 12,237 bearers, or roughly 4 per 100,000 people.
Globally, that prevalence works out to about 1 in 653,755 people. Click any country below to see the full distribution map.