Kaitlyn vs. Katelyn: which name is older?
Kaitlyn and Katelyn are about the same age: the average Kaitlyn is 26 and the average Katelyn is 26.
Kaitlyn and Katelyn sound alike and rose and fell together, so the spelling tells you little about someone's age.
Kaitlyn
Katelyn
When was each name popular?
Katelyn peaked first, in 1993 (in the early 1990s). Kaitlyn peaked in 2000, 7 years later.
Which name is more common?
There are about 160,000 Kaitlyns and about 130,000 Katelyns alive in the US, so there are about 24% more Kaitlyns than Katelyns.
Boys or girls?
Both are girls' names: over 99% of living Kaitlyns and over 99% of living Katelyns are women.
Names the same age as Kaitlyn
Names the same age as Katelyn
More comparisons: Caitlin vs. Kaitlyn
Think you can guess a Kaitlyn's age?
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Kaitlyn or Katelyn: questions
Which is older, Kaitlyn or Katelyn?
Kaitlyn and Katelyn are about the same age: the average Kaitlyn is 26 and the average Katelyn is 26.
How old is the average Kaitlyn?
The average Kaitlyn in the US is 26; half of all living Kaitlyns are between 20 and 31.
How old is the average Katelyn?
The average Katelyn in the US is 26; half of all living Katelyns are between 20 and 33.
Which is more common, Kaitlyn or Katelyn?
There are about 160,000 Kaitlyns and about 130,000 Katelyns alive in the US, so there are about 24% more Kaitlyns than Katelyns.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this