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| Laghey | Very rare: Tyrone. Possibly a variant of Lahy, q.v. |
| Lahy | Very rare: Kilkenny. Ir. Ó Lathaigh, from Ó Laithimh. See Lahiff. This name has become confused with Leahy, which is more numerous. MIF. |
| Leahy | Very numerous: all areas, especially Munster & South East. Ir. Ó Laochdha (heroic). Some confusion with Ó Lathaigh, which appears as Lahiff, q.v. |
| Ó Lathaigh | Lahy (Leahy): líon beag? Cill Chainnigh-Tiobraid Árann. Claochlú ar Ó Laithimh, q.v. I mBéarla, bíonn fuaimniú Lahy agus litriú Leahy. Rud aisteach, sa Chlár, deineadh Guthrie díobh, de bhrí, is cosúil, gurab ionann lathach agus "gutter" i mBéarla na h-Éireann. Mar sin, is Ó Flaithimh ba chóir a bheith ar na Guthries sa Chlár. |
Parishes where Lahy and a second surname are both baptised.
This list shows total Lahy Roman Catholic baptisms by county.
Click on the county to see detail.