How old is someone named Riley?
The average Riley is 17 years old.
Half of all living Rileys are between 9 and 23.
When was Riley popular?
Riley has been rising for years and peaked in 2008, so most Rileys are still kids.
Popular names of 2008 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 383 | 0 |
| 1910s | 1,210 | 0 |
| 1920s | 1,679 | under 100 |
| 1930s | 1,481 | 180 |
| 1940s | 1,684 | 720 |
| 1950s | 1,442 | 950 |
| 1960s | 949 | 770 |
| 1970s | 1,162 | 1,100 |
| 1980s | 4,116 | 3,900 |
| 1990s | 29,075 | 28,000 |
| 2000s | 85,155 | 84,000 |
| 2010s | 79,295 | 79,000 |
| 2020s | 38,510 | 38,000 |
How many Rileys are still alive?
About 240,000 Rileys are alive in the US today. That's 96% of the roughly 250,000 babies named Riley since 1880.
Nearly every Riley ever born is still alive, because almost all of them are young.
What generation is the name Riley?
About half of living Rileys are in Gen Z, born between 1997 and 2012.
- Boomer under 1%
- Gen X under 1%
- Millennial 8%
- Gen Z 52%
- Gen Alpha 39%
Is Riley an old name?
No. Riley is one of the youngest names around: younger than 77 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Riley will be 32 in 2056, so the name is getting older.
Is Riley a boy or girl name?
Both. 59% of living Rileys are women and 41% are men.
The women average 14 and the men 22. It was mostly a boys' name before 1970; since 1995, 62% of babies named Riley have been girls.
Names the same age as Riley
NAME TWIN
Riley's name twin is Rohan. Of all 3,713 names on AgeByName, Rohan's age curve is the closest match to Riley's: 94% alike.
Other spellings: Ryleigh (12) · Rylie (15)
Compare: Riley vs. Ryleigh · Riley vs. Rylie
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Questions about the name Riley
How old is the average Riley?
The average Riley in the US is 17 years old. The median is 17, so half are older and half younger.
How many people are named Riley?
About 240,000 Rileys are alive in the US today, out of roughly 250,000 babies given the name since 1880.
When was the name Riley most popular?
In 2008, when about 9,900 baby girls were named Riley.
Is Riley a Gen Z name?
Yes. About 52% of living Rileys are in Gen Z, born between 1997 and 2012.
Is Riley a boy or girl name?
Both. 59% of living Rileys are women and 41% are men. The women average 14 and the men 22. It was mostly a boys' name before 1970; since 1995, 62% of babies named Riley have been girls.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this