Rio vs Riordan

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

Name A

Rio

Boy name · Rank #516

Full profile →
Name B

Riordan

Boy name

Full profile →

Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

Year Rio Riordan
2014 104 8
2015 103 10
2016 135 7
2017 132 6
2018 172 7
2019 193 9
2020 305 7
2021 401 8
2022 530 11
2023 514 11
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, 1920–2024.

← Compare different names