Where does “Nóirín” come from?

Nóirín (Irish) comes from Irish Nóra, from Irish Onóra, from Latin Honora.

Ancestry of “Nóirín”, step by step

Step	Language	Word	Meaning
1	Irish	Nóra	—
2	Irish	Onóra	—
3	Latin	Honora	—

Nóirín — Etymology, Origin & Word History | Etymology Explorer