Riordan
English
editEtymology
edit(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Proper noun
editRiordan (plural Riordans)
- A surname.
Statistics
edit- According to the 2010 United States Census, Riordan is the 4515th most common surname in the United States, belonging to 7848 individuals. Riordan is most common among White (94.78%) individuals.