, ▁but ▁he ▁leg ally ▁changed ▁his ▁surname ▁to ▁St ▁Leg er ▁on ▁ 9 ▁May ▁ 1 7 6 7 , ▁when ▁he ▁succeeded ▁to ▁the ▁Don era ile ▁est ates ▁upon ▁the ▁death ▁of ▁his ▁uncle , ▁Hay es ▁St ▁Leg er , ▁ 4 th ▁Vis count ▁Don era ile ▁( 1 7 0 2 – 1 7 6 7 ). ▁Like ▁several ▁other ▁members ▁of ▁his ▁family , ▁he ▁served ▁in ▁the ▁Irish ▁House ▁of ▁Commons ▁as ▁the ▁Member ▁of ▁Parliament ▁for ▁Don era ile , ▁sitting ▁between ▁ 1 7 4 9 ▁and ▁ 1 7 7 6 . ▁▁ ▁On ▁ 2 ▁July ▁ 1 7 7 6 , ▁St ▁Leg er ▁was ▁created ▁Baron ▁Don era ile ▁in ▁the ▁Pe er age ▁of ▁Ireland . ▁On ▁ 5 ▁January ▁ 1 7 8 5 , ▁he ▁was ▁created ▁Vis count ▁Don era ile , ▁of ▁Don era ile ▁in ▁County ▁C ork , ▁the ▁title ▁previously ▁held ▁by ▁his ▁mat ernal ▁relations . ▁ ▁Mar riage , ▁children ▁and ▁succession ▁He ▁married ▁Mary ▁Barry , ▁the ▁daughter ▁of ▁Red mond ▁Barry , ▁and ▁together ▁they ▁had ▁six ▁children , ▁including ▁Hay es ▁St ▁Leg er , ▁ 2 nd ▁Vis count . ▁ ▁References ▁ ▁Category : Year ▁of ▁birth ▁unknown ▁Category : 1 7 8 7 ▁death s ▁Category : Vis count s ▁in ▁the ▁Pe er age ▁of ▁Ireland ▁Category : Pe ers ▁of ▁Ireland ▁created ▁by ▁George ▁III ▁Category : Ang lo -