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“Variant of Catherine — Debated; possibly 'each of the two' (Greek), popularly linked to 'pure'” — Greek via French origin
Girl's name · #2333 in the US (2025) · 90s
Caitlin reached its best rank, #44, in 1988 and ranked #2333 in 2025. Roughly 112,000 girls have been named Caitlin since 1955. Caitlin's short forms are Cat, Catie, Caity, and Cait. Together with its spelling variants Kaitlyn (#802), Katelyn (#1077), and Caitlyn (#2492), Caitlin 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 490 girls in N. Ireland (2025) · about 1 in 1,200 girls in Ireland (2025) · about 1 in 1,600 girls in Scotland (2025).
Appears in 2020-2025 birth records of 10 states. See the full state-by-state map on this page.
Among 373 notable people named Caitlin:
Sports figures appear 2.05× more often than among typical names — e.g. Caitlin Clark, American basketball player (born 2002).
Similar names: Caitlyn · Marissa · Kaila · Courtney · Jacklyn · Katrina
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