Oisin

boyIrish

Oisin is an boy name of Irish origin, meaning “Little deer”.

MeaningLittle deer
GenderBoy
OriginIrish
Pronunciationuh-SHEEN
TraditionModern & Classic
Used inIreland, Northern Ireland

Meaning and origin of Oisin

Oisin, properly Oisín, comes from os 'deer' with a diminutive ending, giving 'little deer' or 'fawn'. In Irish legend he is the son of Fionn mac Cumhaill and the poet of the Fianna, who spends centuries in Tír na nÓg, the land of youth. James Macpherson's eighteenth-century Ossian poems made his name famous across Europe. Today Oisín is a popular Irish boys' name.

Is Oisin a religious name?

Oisín is a hero of legend; in one tale he returns to argue with Saint Patrick, but the name has no religious meaning.

How popular is Oisin?

Very popular in Ireland.

Gifts with the name Oisin

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Spellings and variants of Oisin

OssianOsheen

Names similar to Oisin

DarraghFionnCianCiaran

More boy names

Frequently asked questions

What does the name Oisin mean?

Oisin means 'Little deer'. It is of Irish origin.

Does Oisin have a religious meaning?

Oisín is a hero of legend; in one tale he returns to argue with Saint Patrick, but the name has no religious meaning.

How do you pronounce Oisin?

Oisin is pronounced uh-SHEEN.

Is Oisin a boy or girl name?

Oisin is usually a boy name.

Updated October 2026. Spotted a mistake? Tell us.