Riordan is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Riordan across the United States, UK, Ireland and New Zealand, how popular Riordan has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 297 births |
| England & Wales since 1996 | 100 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Riordan per year, United States (1986 to 2025). United States peaked in 2013 (18/yr) · England & Wales peaked in 2002 (13/yr).
Riordan is a rare baby name in the United States. It was most common in 2013, when it ranked #11,655 nationally (given to 18 babies that year).
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