Last name Ballagh (Ballagh 
) , across the world, is a rare surname. The last name Ballagh is habitual in Ireland, where it is a rare surname, Australia, and Canada. Not in comparison with a country's population, it is the most numerous in the United States, Australia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Ballagh | Morocco, Australia, Ireland, United States, Canada |
|
james ballagh US (b. 1832) |
|
|
john craig ballagh American missionary, US (b. 1842) |
|
| john ballagh JP (b. 1842) |
|
|
| james curtis ballagh American historian, US (b. 1866) |
|
|
|
robert ballagh Irish artist, IE (b. 1943) |
|
|
lillie stella acer ballagh |
|
| robert ballagh Peerage person ID=705647 (b. 1942) |
|
|
| rachel ballagh IE (b. 1968) |
|
|
| susan a. ballagh researcher |
|
|
| aaron ballagh researcher ORCID ID = 0000-0002-8040-7788 |
|
|
| mary ballagh Peerage person ID=292513 |
|
|
| rob ballagh physicist in New Zealand, FRSNZ |
|