Slender or fair
Callyn is a modern American coinage, likely derived from the Gaelic name Caoilainn or as a feminine variant of the Irish surname Callan. It carries the traditional Celtic associations of slenderness and beauty, though it is often chosen today for its contemporary sound.
Less common today
Callyn isn't in the latest US Top 1000. It last peaked at #3,811 in 2025.
US births per 5-year period, 1990–present (SSA data).
