Total births
297
Boys' name · since 1986
Riordan
Since 1986, U.S. Social Security records show 297 babies named Riordan, peaking in 2013. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 297
- total births
- 1986–2025
- years on record
- 2000s
- peak decade
- 33%
- born in that decade
297 boys have been named Riordan since 1986, though it isn't currently a top-ranked name.
Social Security Administration records show Riordan recorded 297 times among boys since 1986, though it doesn't currently rank among the most-used boys names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1986 to 2025.
- 297 total births
- 1986–2025 years on record
- 2000s peak decade
- 33% born in that decade
Data updated Jul 2026
The verdict
297 boys have been named Riordan since 1986, peaking in the 2000s, last recorded in 2025.
- 297
- total births
- 1986–2025
- years on record
- 2000s
- peak decade
- 33%
- born in that decade
2000s
Peak decade
33% of everyone ever named Riordan was born in this single decade.
2013
Single peak year
18 babies were named Riordan in 2013 - its busiest year on record.
Riordan's usage pattern, beyond the headline number
Splitting Riordan's full recorded timeline at 2009, 53% of its total births fall in the more recent half of the record versus 47% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1986, with just 5 recorded births -- worth weighing against the 2013 peak of 18 to see the full range of the name's swing in popularity.
Riordan at a glance
Last recorded 2025Peak year
2013
Current rank
Unranked
Active since
1986
Riordan popularity over time
Annual U.S. births registered with the Social Security Administration · 1986–2025
- Peak year (2013)
- 18
- Annual births at peak, across 40 years of records
Riordan by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Riordan's strongest decade.
97 babies received the name during that ten-year window, about 33% of all-time use.
Riordan births by decade
Total births in each ten-year window
- 1980s 17
1980s
17 births
- 1990s 37
1990s
37 births
- 2000s
2000s
97 births
- 2010s
2010s
97 births
- 2020s
2020s
49 births
What this shows Peak: 2000s at 97 births (33% of all-time use).
Frequently Asked Questions
How popular is the name Riordan? ▼
Since 1986, Social Security records show 297 babies named Riordan. The most recent recorded year was 2025. Its busiest year on record was 2013, with 18 births.
When was Riordan most popular? ▼
Riordan was most popular in the 2000s decade with 97 total births. The single peak year was 2013.
How long has the name Riordan been used? ▼
Records for Riordan go back to 1986, giving 40 years of history through 2025.
What names are similar to Riordan? ▼
Names with a similar sound or spelling include Rio, Rion, Riot, Riott. These share a common prefix and are also used for boys.
What to do with Riordan's data
- Riordan's usage has stayed within range of its 2000s decade-level peak (97 total births) through the 2020s (49) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Riordan
Nearby Names Like Riordan
Names with a similar sound, spelling, or feel to Riordan
Rio Boy
#517 5,530 births
Rion Boy
#3357 1,506 births
Riot Boy
#1249 1,295 births
Riott Boy
#7156 166 births
Compare Riordan side by side: Riordan vs Rio Riordan vs Rion Riordan vs Riot
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1986–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Riordan: Baby Name Since 1986 - 297 Births, Peak 2013." NameAlmanac. Accessed via https://namealmanac.com/name/riordan. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Riordan draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.