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“Variant of Caitlin — Debated; possibly 'each of the two' (Greek), popularly linked to 'pure'” — Greek via French origin
Girl's name · #2736 in the US (2025) · 2000s
Katelynn reached its best rank, #210, in 1998 and ranked #2736 in 2025. Roughly 31,000 girls have been named Katelynn since 1979. Katelynn is the less common spelling of Kaitlyn (#802) and Katelyn (#1077) — about 8% of babies given the name are written this way.
Around the world: about 1 in 18,000 girls in Canada (2024).
Appears in 2020-2025 birth records of 9 states. See the full state-by-state map on this page.
Similar names: Katelyn · Sidney · Kaelyn · Asia · Joselyn · Katia
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