Where does “Ciaran” come from?

Ciaran is an English name derived from Irish Ciarán, formed with the Old Irish diminutive suffix -án from Proto-Indo-European ḱēy(w)-.

Ancestry of “Ciaran”, step by step

StepLanguageWordMeaning
1IrishCiarán—
2Irish-ánA suffix used to derive instruments, diminutives,...
3Middle Irish-ándiminutive suffix
4Old Irish-ándiminutive suffix
5Primitive Irish-ᚐᚌᚅᚔdiminutive suffix
6Proto-Celtic*-agnos—

Words derived from “Ciaran”

Every word from Proto-Celtic *-agnos →Every word from Irish -án →Every word from Old Irish -án →