Origin & Meaning of the Riordan Surname
What does the last name Riordan mean?
The surname Riordan carries the meaning "Family name of European origin." It is derived from the European language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 7,848 bearers in the 2010 US Census, Riordan ranks as the #4,515 most common surname in the United States.
Where does the surname Riordan come from?
The Riordan surname has its roots in European heritage. Names of European origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Riordan name far beyond its original homeland.
Language of Origin
The linguistic roots of Riordan trace back to European. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.
Quick Facts
| Surname | Riordan |
|---|---|
| Meaning | Family name of European origin |
| Origin | European |
| Language | European |
| US Rank (2010) | #4,515 |
| US Count (2010) | 7,848 |
| Per 100K People | 2.66 |
| First Letter | R |
Ethnic Distribution of Riordan
According to the US Census, the Riordan surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 7,848 Americans with the Riordan last name.
| Ethnicity | Percentage |
|---|---|
| White | 94.78% |
| Black | 0.68% |
| Hispanic | 2.08% |
| Asian/Pacific Islander | 0.94% |
| Native American | 0.2% |
| Two or More Races | 1.33% |
Popularity of Riordan Over Time
Comparing US Census data from 2000 and 2010 shows how the Riordan surname has changed in prevalence.
The number of Americans with the Riordan surname increased by 454 between 2000 and 2010.
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Other European Surnames
Explore more surnames with European roots. There are 162,254 surnames in our database — here are some that share the same European origin as Riordan.
Frequently Asked Questions About Riordan
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