Kellie vs. Kelly: which name is older?
The average Kellie is 47 and the average Kelly is 48, so Kelly is the older name, by about 1 year.
Kellie and Kelly sound alike, so the spelling is the clue: a Kelly is more likely to have been born in the late 1960s, and a Kellie in the late 1960s.
Kellie
Kelly
When was each name popular?
Kelly peaked first, in 1968 (in the late 1960s). Kellie peaked in 1969, 1 year later.
Which name is more common?
There are about 48,000 Kellies and about 510,000 Kellys alive in the US, so there are about 11 times as many Kellys as Kellies.
Boys or girls?
Women make up over 99% of living Kellies and 87% of living Kellys.
Names the same age as Kellie
Names the same age as Kelly
More comparisons: Kelli vs. Kelly
Think you can guess a Kellie's age?
Ten names, one slider each. Share your score.
Kellie or Kelly: questions
Which is older, Kellie or Kelly?
The average Kellie is 47 and the average Kelly is 48, so Kelly is the older name, by about 1 year.
How old is the average Kellie?
The average Kellie in the US is 47; half of all living Kellies are between 38 and 57.
How old is the average Kelly?
The average Kelly in the US is 48; half of all living Kellys are between 40 and 58.
Which is more common, Kellie or Kelly?
There are about 48,000 Kellies and about 510,000 Kellys alive in the US, so there are about 11 times as many Kellys as Kellies.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this