How Many People Are Named Kaelyn?
people named Kaelyn are alive in the United States today (estimate)
About 1 in 22,064 people in the US has this name
Based on 15,648 babies named Kaelyn in Social Security records from 1959 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
1,006 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Variant of KAYLYN.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Kaelyn in English. Counting Kaelyn and these spellings together, about 90,205 people alive in the US have the name.
⚧ Gender Distribution
Of the babies given the name Kaelyn, 99.5% were girls and 0.5% were boys.
👥 Age Distribution
The average person named Kaelyn alive today is about 18 years old, and 92% are under 30. Half of them were between 12 and 22 in 2025.
📈 Popularity Over Time
Kaelyn first appears in the records in 1959 and was given most often in 2009, to 1,006 babies. In 2025, 131 babies got the name.
Babies given the name each year, 1959 to 2025
🏆 Rank History
Kaelyn has never been one of the 100 most popular girls' names. Its best rank was #332, in 2009. In 2025 it ranked #1,601.
| Girls | |
|---|---|
| Rank in 2025 | #1,601 |
| Best rank | #332 (2009) |
| Years in the top 100 | None |
| Rank in its biggest decade | #469 in the 2000s |
📍 State-Wise Distribution
People named Kaelyn alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kaelyn were born in California than in any other state: about 1,628 of those alive today. Compared with the national rate in the same years, Kaelyn was given 1.6 times as often in New Hampshire, 1.5 times in Kentucky and 1.5 times in South Carolina.
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