Oisin is Celtic Irish name, derived from the Celtic root word 'os', which means 'deer'. The name 'Oisin' itself means 'little deer'. Ossian would be the modern Irish form of this name.
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Oisin is Celtic Irish name, derived from the Celtic root word 'os', which means 'deer'. The name 'Oisin' itself means 'little deer'. Ossian would be the modern Irish form of this name.