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MACNAMARA Family HistoryMcNamara is a surname of Irish origin. It originated from the region of County Clare. The name began with the chieftain Cumara, of Maghadhair in county Clare. Cumara is a contracted form of Conmara - hound of the sea. His son, Domhnall, who died in 1099, adopted the surname Mac Conmara, or son of Cumara, thus becoming the very first MacNamara. The name has survived relatively unmodified as MacConmara in Irish and Mac (or Mc) Namara in English, to this day.
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