Historical Geography information for Down, Ireland ( Northern Ireland )
| County | Down |
| Country | Ireland |
| SiteID | 203500 |
| DateUpdated | 4/13/2026 9:04:50 PM |
| Record ID | DataSet | Y-DNA Marker | Alternative Marker Names |
|---|---|---|---|
1288087 |
Y-DNA Phylogenetic Branch | I-Z140 | Z140 S440 |