Means “little deer”, derived from Irish os “deer” combined with a diminutive suffix. In Irish legend Oisín was a warrior hero and a poet, the son of Fionn mac Cumhail.
People with the name Aethelmaere have a deep inner desire to express their own power in a concrete manner and thus achieve something great for humanity.
English diminutive of Antonia or a Russian diminutive of Antonina. In the English-speaking world its use has likely been positively influenced by the name Tanya.