▁constitu ency ▁in ▁Ireland , ▁which ▁returned ▁one ▁Member ▁of ▁Parliament ▁( MP ) ▁to ▁the ▁House ▁of ▁Commons ▁of ▁the ▁Parliament ▁of ▁the ▁United ▁Kingdom . ▁It ▁was ▁an ▁original ▁constitu ency ▁represented ▁in ▁Parliament ▁when ▁the ▁Union ▁of ▁Great ▁Britain ▁and ▁Ireland ▁took ▁effect ▁on ▁ 1 ▁January ▁ 1 8 0 1 , ▁replacing ▁the ▁D und alk ▁constitu ency ▁in ▁the ▁Parliament ▁of ▁Ireland . ▁ ▁B ound aries ▁This ▁constitu ency ▁was ▁the ▁Parliament ary ▁bor ough ▁of ▁D und alk ▁in ▁County ▁L outh . ▁ ▁History ▁The ▁constitu ency ▁was ▁one ▁of ▁the ▁two ▁member ▁bor ough ▁constitu encies ▁in ▁the ▁Parliament ▁of ▁Ireland , ▁which ▁became ▁a ▁single ▁member ▁United ▁Kingdom ▁constitu ency ▁when ▁the ▁union ▁of ▁Great ▁Britain ▁and ▁Ireland ▁took ▁effect ▁on ▁ 1 ▁January ▁ 1 8 0 1 . ▁ ▁The ▁first ▁member ▁of ▁the ▁United ▁Kingdom ▁House ▁of ▁Commons ▁was ▁to ▁be ▁selected ▁from ▁the ▁area ' s ▁two ▁MP s ▁in ▁the ▁Irish ▁Parliament , ▁by ▁drawing ▁lots . ▁However ▁both ▁members ▁res igned ▁so ▁the ▁seat ▁could ▁not ▁be ▁filled ▁by ▁co - option ▁and ▁a ▁by - e lection ▁was ▁necessary . ▁The ▁by - e lection ▁took ▁place ▁on ▁ 2 8 ▁February ▁ 1 8 0 1 . ▁The ▁Right ▁Hon ou rable ▁Isaac ▁Cor ry , ▁a ▁quite ▁prominent ▁political ▁figure , ▁was ▁elected ▁the ▁first ▁United ▁Kingdom ▁MP ▁for ▁D und alk . ▁ ▁Cor ry ▁was ▁associated ▁with ▁what ▁came ▁to ▁be