How Many People Are Named Kathlyn?
people named Kathlyn are alive in the United States today (estimate)
About 1 in 105,229 people in the US has this name
Based on 5,156 babies named Kathlyn in Social Security records from 1897 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
๐๐ Very Rare
Peak Year
125 births
Trend
Stable (last 10 years)
๐ Name Origin & Meaning
Meaning:
Anglicized form of CAITLรN.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
โง Gender Distribution
All of the babies given the name Kathlyn in the records were girls.
๐ฅ Age Distribution
The average person named Kathlyn alive today is about 50 years old, and 43% are 60 or older. Half of them were between 30 and 72 in 2025.
๐ Popularity Over Time
Kathlyn first appears in the records in 1897 and was given most often in 1951, to 125 babies. In 2025, 28 babies got the name.
Babies given the name each year, 1897 to 2025
๐ Rank History
Kathlyn has never been one of the 100 most popular girls' names. Its best rank was #559, in 1914. In 2025 it ranked #4,817.
| Girls | |
|---|---|
| Rank in 2025 | #4,817 |
| Best rank | #559 (1914) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,106 in the 1950s |
๐ State-Wise Distribution
People named Kathlyn alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kathlyn were born in California than in any other state: about 301 of those alive today. Compared with the national rate in the same years, Kathlyn was given 3 times as often in California, 2.6 times in Illinois and 2.4 times in Texas.
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