Gender: Girl
Meaning: Pure and clear — unblemished goodness and transparent heart
Origin: Irish/English (variant)
Popularity: Ranked #932 in 2024 with 283 babies born.
History: Katelyn peaked in the 2000s as one of the most popular spellings of Caitlin. The Kate- start makes it feel more grounded than Kaitlyn. The name represents the American love affair with this Irish sound — dozens of spellings, each one claiming ownership.
Name length: 7 letters
How common is Katelyn? About 1 in 11,761 babies born in 2024 were named Katelyn, or roughly 0.8 per day in the United States.
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