There are 2 places named Oldcastle in Ireland.
All places in the world called "Oldcastle".
Milltown (15)
Newtown (12)
Castletown (10)
Grange (10)
New Bridge (9)
Cappagh (8)
Raheen (7)
Kill (7)
Kilmore (7)
Kilmurry (6)
Brockagh (6)
Cashel (6)
Drinagh (6)
Johnstown (6)
Ballynamona (6)
Graigue (6)
Newcastle (6)
Whitechurch (6)
Churchtown (6)
Derry (5)
Ballynakill (5)
Esker (5)
Mullagh (5)
Rathmore (5)
Rossmore (5)
Ardagh (5)
Corbally (5)
Inch (5)
Knock (5)
Lecarrow (5)