How Many People Are Named Kaithlyn?
people named Kaithlyn are alive in the United States today (estimate)
About 1 in 887,752 people in the US has this name
Based on 389 babies named Kaithlyn in Social Security records from 1985 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
21 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Kaithlyn in the records were girls.
👥 Age Distribution
The average person named Kaithlyn alive today is about 19 years old, and 85% are under 30. Half of them were between 12 and 24 in 2025.
📈 Popularity Over Time
Kaithlyn first appears in the records in 1985 and was given most often in 2002, to 21 babies. In 2025, 6 babies got the name.
Babies given the name each year, 1985 to 2025
🏆 Rank History
Kaithlyn has never been one of the 100 most popular girls' names. Its best rank was #5,564, in 2002. In 2025 it ranked #14,009.
| Girls | |
|---|---|
| Rank in 2025 | #14,009 |
| Best rank | #5,564 (2002) |
| Years in the top 100 | None |
| Rank in its biggest decade | #6,929 in the 2000s |
📍 State-Wise Distribution
People named Kaithlyn alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kaithlyn were born in California than in any other state: about 41 of those alive today.
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