For background on how the map was made (and its flaws), see the relevant blog entry.
| Lysaght | Quite numerous: Clare-Limerick etc. Ir. Mac Giolla Iasachta. Edward MacLysaght, the major authority on Irish surnames, explains the name as "loaned youth". The transfer of a boy to another family was common under the fosterage custom of ancient Ireland. IF. |
| Mac Giolla Iasachta | Very rare: Cork. Ir.Lang. See Mac Lysaght. |
| Mac Giolla Iasachta | Mac Lysaght, Lysaght: líon beag: Luimneach-an Clár - mar Lysaght den chuid is mó - agus craobh des na Brianaigh i dTuathmhumhain. Duine de mhór-údair na sloinnte Gaelacha dob ea Éamonn Mac Giolla Iasachta (1887-1986). Cheap seisean gur thárla an sloinne as duine des na Brianaigh a bheith tugtha ar "iasacht" do chlann eile, mar leanbh nó mar ógánach. Ní mór cuimhneamh ar chóras altramais na nGael. IF. |
| MacLysaght | Very rare: Dublin, Clare. Ir. Mac Giolla Iasachta "son of the strange youth". Possibly an O'Brien who was fostered with another sept. Always identified with Clare. Notable in the person of Edward Mac Lysaght, first Chief Herald of Ireland and major authority on surnames. More common under Lysaght, q.v. |
DEDs where Mac Giolla Iasachta and a second surname are found together
This list shows total 1901 Mac Giolla Iasachta households by county.
Click on the county to see detail.
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