How Many People Are Named Riordan?
people named Riordan are alive in the United States today (estimate)
About 1 in 1,166,501 people in the US has this name
Based on 297 babies named Riordan in Social Security records from 1986 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
18 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Anglicized form of RÓRDÁN.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Related & Similar Names
⚧ Gender Distribution
All of the babies given the name Riordan in the records were boys.
👥 Age Distribution
The average person named Riordan alive today is about 16 years old, and 90% are under 30. Half of them were between 9 and 24 in 2025.
📈 Popularity Over Time
Riordan first appears in the records in 1986 and was given most often in 2013, to 18 babies. In 2025, 12 babies got the name.
Babies given the name each year, 1986 to 2025
🏆 Rank History
Riordan has never been one of the 100 most popular boys' names. Its best rank was #5,123, in 2013. In 2025 it ranked #7,099.
| Boys | |
|---|---|
| Rank in 2025 | #7,099 |
| Best rank | #5,123 (2013) |
| Years in the top 100 | None |
| Rank in its biggest decade | #7,235 in the 2000s |
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