Rubuta ci gaba don wannan sakin layi - Matsayin birni a cikin Ireland ya kasance ana ba da izini ta hanyar yarjejeniyar masarauta. Akwai garuruwa da yawa a Ireland tare da majami'u na Cocin Ireland waɗanda ba a taɓa kiran su birane ba. Duk da wannan, Armagh an dauke shi birni, saboda kasancewarsa wurin zama na Firayim na Duk Ireland, har zuwa soke kamfanin kamfanin Armagh ta hanyar Dokar Kamfanonin Municipal (Ireland) 1840. Garin tarihi kawai tare da takaddama a Arewacin Ireland na yau shine Derry. James I ya ba da Yarjejeniyar farko ta Derry a 1604, amma an kai hari ga garkuwar kuma an hallaka ta
ta Cahir O'Doherty a cikin 1608. Birnin na yanzu shine sakamakon wata yarjejeniya ta biyu da aka bayar a 1613 ga membobin kungiyar London, a matsayin wani ɓangare na Plantation of Ulster, wanda ke ba da izinin gina birni mai garu, wanda aka sake masa suna Londonderry.