Is Caithlyn a boy or girl name?
Caithlyn is listed as a girl name in our name lists. It is recorded in Belgium and Canada. Caithlyn is too rare in US Social Security records for us to chart.
Where Caithlyn is recorded
A country here means the name is recorded there. It is not a ranking.
Names that start like Caithlyn
This page shows only what our lists record for Caithlyn. We do not publish name meanings or origins. Sources and method.