| MacCarthy Mac Cárthaigh | |
|---|---|
 | |
| Parent family | MacCarthy Mor |
| Founded | 1353 |
| Founder | Dermot, 1st Lord of Muskerry |
| Final ruler | Donogh, 4th Earl of Clancarty |
| Titles | Lord of Muskerry, Viscount Muskerry, and Earl of Clancarty |
| Estate(s) | Muskerry |
The MacCarthy dynasty of Muskerry is a tacksman branch of the MacCarthy Mor dynasty, the Kings of Desmond.