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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 · #1077 in the US (2025) · 90s
Katelyn reached its best rank, #52, in 2001 and ranked #1077 in 2025. Roughly 134,000 girls have been named Katelyn since 1970. Together with its spelling variants Kaitlyn (#802), Caitlin (#2333), and Caitlyn (#2492), Katelyn would rank around #434 with about 710 births last year — the newborns split about 47/32/11/10 across Kaitlyn, Katelyn, Caitlin, and Caitlyn.
Around the world: about 1 in 1,400 girls in Ireland (2025) · about 1 in 6,400 girls in Canada (2024).
Appears in 2020-2025 birth records of 27 states. See the full state-by-state map on this page.
Among 97 notable people named Katelyn:
Sports figures appear 3.27× more often than among typical names — e.g. Katelyn Ohashi, artistic gymnast.
Similar names: Katelynn · Gabrielle · Katerina · Alexandria · Madalyn · Jocelyn
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