▁promise ▁of ▁marriage ▁to ▁Bar rett , ▁and ▁so ▁Mann ion ▁arranged ▁with ▁Bar rett ▁on ▁the ▁evening ▁of ▁ 1 0 ▁September , ▁after ▁which ▁they ▁would ▁proceed ▁to ▁Round stone ▁to ▁get ▁married . ▁The ▁couple ▁met ▁a ▁man ▁named ▁Thomas ▁Cos gr iff ▁from ▁where ▁they ▁took ▁a ▁boat ▁from ▁a ▁place ▁called ▁Ru an an ule , ▁all ▁the ▁time ▁observed ▁by ▁a ▁witness , ▁until ▁they ▁were ▁lost ▁to ▁sight . ▁ ▁The ▁body ▁of ▁Br idget ▁Bar rett ▁was ▁was hed ▁up ▁on ▁the ▁shore ▁at ▁Round stone ▁on ▁ 1 6 ▁November ▁ 1 8 4 5 . ▁Her ▁hands ▁and ▁feet ▁were ▁missing . ▁It ▁was ▁later ▁found ▁that ▁she ▁had ▁been ▁weight ed ▁down ▁with ▁an ▁anchor , ▁decomposition ▁separ ating ▁the ▁body ▁parts . ▁Mann ion ▁had ▁been ▁seen ▁in ▁Gal way ▁some ▁days ▁later ▁bu ying ▁clothes ; ▁he ▁was ▁met ▁on ▁his ▁way ▁home ▁by ▁Bar rett ' s ▁sister , ▁who ▁obtained ▁no ▁good ▁answer ▁as ▁to ▁the ▁where about s ▁of ▁her ▁sister . ▁ ▁James ▁Mann ion ▁was ▁aged ▁twenty - two ▁when ▁conv icted ▁of ▁murder ▁on ▁ 5 ▁August ▁ 1 8 4 6 , ▁his ▁death ▁sentence ▁reduced ▁to ▁transport ation ▁for ▁life . ▁He ▁died ▁in ▁prison , ▁await ing ▁transport ation , ▁on ▁ 3 0 ▁September ▁ 1 8 4 7 . ▁ ▁Thomas ▁Cos gr iff ▁was ▁later ▁found ▁guilty ▁of ▁murder , ▁and ▁transport ed ▁to ▁Australia ▁on ▁the ▁ship