Cognomen Mórdha (Mórdha 
) , globally, is a very rare surname. The last name Mórdha is habitual in Northern Europe, particularly Ireland, where it is a rare surname.
| séamus p. ó mórdha Irish historian (b. 1915) |
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| dionysius ó mórdha Bishop of Clonfert |
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| mícheál de mórdha Irish radio broadcaster, IE |
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| dáithí de mórdha IE |
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