Riordan vs Rio

Side-by-side comparison of Riordan and Rio — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Riordan

Boy name

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Name B

Rio

Boy name · Rank #516

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Which name is more popular?

Metric Riordan Rio
Current Rank Unranked #516
Total Births (all years) 285 4,962
Peak Year 2013 2024
Peak Year Births 18 591
Peak Decade 2000ss 2020ss
Gender Boy Boy
First Recorded Year 1986 1920

Births by Decade

Decade Riordan Rio
1920ss — 10
1930ss — 5
1950ss — 10
1960ss — 16
1970ss — 97
1980ss 17 191
1990ss 37 411
2000ss 97 636
2010ss 97 1,245
2020ss 37 2,341

Recent Annual Births (2014–present)

Year Riordan Rio
2014 8 104
2015 10 103
2016 7 135
2017 6 132
2018 7 172
2019 9 193
2020 7 305
2021 8 401
2022 11 530
2023 11 514
2024 — 591

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1986–2023.

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