About Riordan
The surname Riordan is of Irish origin and is derived from the Gaelic name Ó Riordáin, meaning "descendant of Riordán." The personal name Riordán is composed of the elements "ri" meaning "king" and "ordán" meaning "little." Therefore, the surname Riordan can be interpreted to mean "descendant of the little king" or "descendant of the king's son."
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The surname Riordan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Riordan based on recent US Census records. This is a brief glimpse into the diverse backgrounds of people carrying this surname.
Ranking information for the surname Riordan is not currently available.
Here's how to represent Riordan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Riordan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.