Family name Cárthaigh (Cárthaigh 
) , across the world, is a very rare cognomen. The last name Cárthaigh is characteristic of Northern Europe, particularly Ireland, where it is a rare surname.
| eoghan mac cárthaigh IE (b. 1691) |
|
|
| saoirse mac cárthaigh researcher (ORCID 0000-0002-5875-5436) |
|
|
| risteard mac cárthaigh Irish hurler, IE (b. 1988) |
|
|
| tadhg an dúna mac cárthaigh |
|
|
| donnchad mac cárthaigh |
|
|
| dáithí mac cárthaigh IE |
|
|
| diarmuid mac sheáin bhuí mac cárthaigh |
|