AgeName

Riley vs. Ryleigh: which name is older?

The average Riley is 17 and the average Ryleigh is 12, so Riley is the older name, by about 5 years.

Riley and Ryleigh sound alike, so the spelling is the clue: a Riley is more likely to have been born in the late 2000s, and a Ryleigh in the late 2010s.

Riley

Average age
17
Median age
17
Estimated alive
237K
Peak year
2008

Ryleigh

Average age
12
Median age
12
Estimated alive
35.3K
Peak year
2019

When was each name popular?

Riley peaked first, in 2008 (in the late 2000s). Ryleigh peaked in 2019, 11 years later.

Estimated living people with each name, by the year they were born.

Which name is more common?

There are about 240,000 Rileys and about 35,000 Ryleighs alive in the US, so there are about 7 times as many Rileys as Ryleighs.

Boys or girls?

Women make up 59% of living Rileys and 99% of living Ryleighs.

Names the same age as Riley

Names the same age as Ryleigh

More comparisons: Riley vs. Rylie

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Riley or Ryleigh: questions

Which is older, Riley or Ryleigh?

The average Riley is 17 and the average Ryleigh is 12, so Riley is the older name, by about 5 years.

How old is the average Riley?

The average Riley in the US is 17; half of all living Rileys are between 9 and 23.

How old is the average Ryleigh?

The average Ryleigh in the US is 12; half of all living Ryleighs are between 7 and 17.

Which is more common, Riley or Ryleigh?

There are about 240,000 Rileys and about 35,000 Ryleighs alive in the US, so there are about 7 times as many Rileys as Ryleighs.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this