▁Mac n ag ht en , ▁daughter ▁of ▁John ▁Living stone ▁Mart yn ▁and ▁wid ow ▁of ▁( i ) ▁Lieutenant - Col onel ▁James ▁McC lin to ck ▁of ▁the ▁Bomb ay ▁Army ▁and ▁( ii ) ▁Sir ▁William ▁Hay ▁Mac n ag ht en , ▁British ▁En voy ▁to ▁Afghan istan ▁who ▁was ▁murder ed ▁in ▁Kab ul ▁in ▁ 1 8 4 1 . ▁Head fort ▁died ▁in ▁December ▁ 1 8 7 0 , ▁aged ▁ 8 3 , ▁and ▁was ▁succeeded ▁in ▁the ▁marqu ess ate ▁by ▁his ▁son ▁from ▁his ▁first ▁marriage , ▁Thomas . ▁The ▁second ▁March ion ess ▁of ▁Head fort ▁died ▁in ▁ 1 8 7 8 . ▁ ▁References ▁K idd , ▁Charles , ▁William son , ▁David ▁( edit ors ). ▁Deb rett ' s ▁Pe er age ▁and ▁Baron et age ▁( 1 9 9 0 ▁edition ). ▁New ▁York : ▁St ▁Martin ' s ▁Press , ▁ 1 9 9 0 . ▁ ▁www . the pe er age . com ▁ ▁External ▁links ▁ ▁Category : 1 7 8 7 ▁birth s ▁Category : 1 8 7 0 ▁death s ▁Category : K n ights ▁of ▁St ▁Patrick ▁Category : L ord - L ie uten ants ▁of ▁Cav an ▁Category : M embers ▁of ▁the ▁Parliament ▁of ▁the ▁United ▁Kingdom ▁for ▁County ▁Me ath ▁constitu encies ▁( 1 8 0 1 – 1 9 2 2 ) ▁Category : UK ▁MP s ▁ 1 8 1 2 –