Surname Dálaigh (Dálaigh 
) , in all the world, is a very rare family name. The last name Dálaigh is habitual in Northern Europe, particularly Ireland, where it is a rare surname.
| muireadhach albanach ó dálaigh Gaelic poet and crusader, IE (b. 1101) |
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| donnchadh mór ó dálaigh Irish poet, IE (b. 1175) |
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éamonn ó dálaigh Irish revolutionary (1891-1916), IE (b. 1891) |
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cú connacht ua dálaigh Gaelic poet, IE |
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| antóin ó dálaigh Irish hurler, IE (b. 1969) |
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| ruaidrí mac donnchad ó dálaigh poet, IE |
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| maoilsheachlainn óg ó dálaigh 16th-century Irish language poet |
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| fearghal ó dálaigh Irish poet |
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| cearbhall óg ó dálaigh Irish poet and harpist, IE |
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| máel íosa ua dálaigh Irish writer |
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| dáire ó dálaigh Irish Gaelic football player and manager, IE (b. 1987) |
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