Where does “Ronan” come from?

Ronan derives from Irish Rónán, formed with the Irish diminutive suffix -án, which developed from Old Irish -án and Primitive Irish -ᚐᚌᚅᚔ, ultimately from Primitive Irish -ᚐᚌᚅᚐᚄ.

Ancestry of “Ronan”, step by step

Step	Language	Word	Meaning
1	Irish	Rónán	—
2	Irish	rón	seal; horsehair; long hair as from animal's tail
3	Albanian	Rron	—
4	Albanian	rroj	to stay alive, survive; to reside, live, dwell
5	Albanian	rronj	—
6	Proto-Albanian	rānja	—
7	Proto-Indo-European	Hreh₁-	to arrange

Every word from Proto-Indo-European Hreh₁- →Every word from Proto-Albanian rānja →Every word from Albanian rronj →