Cognomen Cuinneagáin (Cuinneagáin 
) , around the world, is a very rare surname. The surname Cuinneagáin is habitual in Northern Europe, particularly Ireland, where it is a rare surname.
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gearóid ó cuinneagáin Northern Irish politician (1910-1991), IE (b. 1910) |
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| gearóid mac cuinneagáin Irish hurler and Gaelic football player, IE (b. 1961) |
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| liam ó cuinneagáin Chairperson of Údarás na Gaeltachta |
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| aaron mac cuinneagáin Irish hurler, IE (b. 1993) |
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