Oisin
/AH-SH-IY-N/
Little deer, son of the warrior-hero Fionn Mac Cumhaill and the greatest poet of the Fianna — Oisin sailed with Niamh to Tír na nÓg, the Land of Eternal Youth, spending three hundred years there before longing for Ireland drew him back. He touched Irish soil and aged three centuries in a moment, and it is as an ancient man that he tells his stories: wisdom purchased at the full price of everything
See Oisin scored for your familyMeaning & origin
Oisin is a boy's name of Irish origin, traditionally used in Pagan families. The name means "Little deer, son of the warrior-hero Fionn Mac Cumhaill and the greatest poet of the Fianna — Oisin sailed with Niamh to Tír na nÓg, the Land of Eternal Youth, spending three hundred years there before longing for Ireland drew him back. He touched Irish soil and aged three centuries in a moment, and it is as an ancient man that he tells his stories: wisdom purchased at the full price of everything" and belongs to the Nature cluster — names drawn from the natural world — earth, water, sky.
Beyond its Pagan heritage, Oisin is also used in Christian traditions, reflecting how this name has traveled across cultures.
Common among British, European, Irish families, Oisin carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
Numerology of Oisin
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Oisin resonates in either tradition.
How Oisin sounds
NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Oisin breaks down into 4 phonemes: /AH-SH-IY-N/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.
The six signals, applied to Oisin
NameRoot scores every name across six independent dimensions. Here's how Oisin maps to each — install the app to see the full compatibility score for your specific family.
Names similar to Oisin
If Oisin resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Pagan boy names, common in British families
Sharing the same meaning
Other Pagan boy names from the Nature cluster
Names that sound similar
Pagan boy names that open with the same syllables as Oisin
Common questions about Oisin
What does the name Oisin mean?
Oisin means "Little deer, son of the warrior-hero Fionn Mac Cumhaill and the greatest poet of the Fianna — Oisin sailed with Niamh to Tír na nÓg, the Land of Eternal Youth, spending three hundred years there before longing for Ireland drew him back. He touched Irish soil and aged three centuries in a moment, and it is as an ancient man that he tells his stories: wisdom purchased at the full price of everything." It is a boy name of Irish origin, traditionally used in Pagan families.
Is Oisin a boy or girl name?
Oisin is most commonly used as a boy name.
What is the origin of the name Oisin?
Oisin is of Irish origin, used in Pagan, Christian traditions, commonly among British, European, Irish families.
What is the numerology of Oisin?
Oisin has a Pythagorean destiny number of 3 — creativity and joyful expression.
See how Oisin scores for your family
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