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