Around the globe, O'Carroll (O'Carroll 
) is an extremely rare masculine first name. Much more frequently, O'Carroll is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| O'Carroll | Australia, Canada, Ireland, United Kingdom, United States |
| sir john o'carroll, 3rd bt. (born 1721) (b. 1721) |
|
|
| gay o'carroll Irish footballer, IE (b. 1964) |
|
|
| teige o'carroll, 1st baron of ely Peerage person ID=275118 |
|
|
| redmond peter o'carroll (died 1847) |
|
|
| mulrony mcshane o'carroll Peerage person ID=154913 |
|
|
| giles o'carroll Peerage person ID=33162 |
|
|
| sir john whitley o'carroll, 4th bt. (died 1818) |
|
|
| sir daniel o'carroll, 2nd bt. (died 1758) |
|
|
| teige o'carroll, of ely o'carroll - 1407 |
|
|
| more o'carroll Est 1525 - 1592 |
|
|
| sir jervoise o'carroll, 5th bt. (died 1831) |
|
|
| sir john whitley christopher o'carroll, 6th bt. (died 1835) |
|
|
| min l o'carroll researcher |
|
|
| ross o'carroll Irish hurler and Gaelic football player, IE (b. 1987) |
|