Historical Geography information for Derry, Ireland ( Londonderry, Northern Ireland )
| County | Derry |
| Country | Ireland |
| SiteID | 201885 |
| DateUpdated | 4/13/2026 9:05:08 PM |
| Record ID | DataSet | Y-DNA Marker | Alternative Marker Names |
|---|---|---|---|
1286310 |
Y-DNA Phylogenetic Branch | R-L554 | L554 |