Does anyone know the origin of the first name Niamh or the last name Casey?

I found this site a couple months ago when my sister was trying to name her baby. It has the definitions of names from around the world. Hope it helps.

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Originally Posted by BehindTheName.com

NIAMH
Gender: Feminine

Usage: Irish, Irish Mythology

Pronounced: NEEV [key]

Means "bright" in Irish. She was the daughter of the sea god in Irish legends. She fell in love with the poet Oisin, son of Fionn.

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Originally Posted by BehindTheName.com

CASEY
Gender: Masculine & Feminine

Usage: English

Pronounced: KAY-see [key]

From an Irish surname which was derived from Ó Cathasaigh meaning "descendent of Cathasaigh". The name Cathasaigh means "vigilant" in Gaelic. Casey also serves as a form of CASS (feminine).

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Originally Posted by marshmellowpuff

Does anyone know the origin of the first name Niamh or the last name Casey?

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Thanks for sharing!Like Niamh the best.