Cormac Laidir MacCarthy, 9th Lord of Muskerry (1411–1494), was an Irish chieftain. He founded Kilcrea Friary and built Kilcrea Castle.
| Family tree |
| Cormac Laidir MacCarty with wife, father, and other selected relatives. |
| | | Dermot 1st Lord 1310–1367 |
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| | | Cormac 2nd Lord d. 1374 |
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Teige 6th Lord 1380–1448 | | Owen 7th Lord | | Cormac 8th Lord |
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| Cormac Laidir 9th Lord 1411–1494 | | Mary Fitzmaurice | | Owen MacCarthy d. 1498 | | |
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| | Cormac Oge Laidir 10th Lord 1447–1536 | | Catherine Barry | | | |
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| | | Teige 11th Lord 1472–1565 | | Callaghan 12th Lord |
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Dermot 13th Lord 1501–1570 | | Ellen FitzGerald | | Cormac 14th Lord d. 1583 tanist | | Callaghan 15th Lord tanist resigned 1584 | | |
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| | Cormac MacDermot 16th Lord 1552–1616 |
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