Surname Hallahan
Hallahan
Country and Region Rankings
| Region | Rank | Count |
| Ireland, Munster | 570 | <1k |
| -- Code | ? | ? |
| Scotland, Outer-hebrides | 969 | <1k |
| -- Code | ? | ? |
| Scotland, Shetland | 1478 | <1k |
| -- Code | ? | ? |
Famous People with surname Hallahan