▁name ▁der ives ▁from ▁Mac ▁a ' B hi ad ht a igh , ▁from ▁bi ad ht ach , ▁" one ▁who ▁held ▁land ▁on ▁condition ▁of ▁supp lying ▁food ▁( bi ad ) ▁to ▁those ▁b illet ed ▁on ▁him ▁by ▁the ▁chief ". ▁In ▁the ▁rest ▁of ▁Ireland , ▁the ▁name ▁Bi ad ht ach ▁( B et agh ; ▁" public ▁vict u aller ") ▁was ▁changed ▁to ▁Beat ty ▁or ▁Be att ie . ▁▁ ▁In ▁Scotland , ▁the ▁Be att ies ▁were ▁a ▁re iver ▁cl an ▁in ▁the ▁Lang holm ▁area ▁of ▁E sk dale . ▁George ▁Mac Donald ▁F ras er ▁has ▁written ▁about ▁the ▁re iving ▁cl ans ▁in ▁" The ▁Ste el ▁Bon net s ▁: ▁The ▁Story ▁of ▁the ▁Ang lo - Sc ott ish ▁Border ▁Re ivers ". ▁ ▁An ▁Irish ▁origin ▁of ▁the ▁name ▁Be att ie ▁is ▁supported ▁specifically ▁by ▁the ▁Irish - specific ▁marker ▁S 1 6 9 ▁which ▁is ▁most ▁common ▁in ▁Le in ster , ▁Ireland , ▁but ▁also ▁" found ▁in ▁Scotland , ▁especially ▁among ▁men ▁with ▁the ▁s urn ames ▁of ▁Be att ie ▁and ▁Fer g us on ". ▁ ▁Beat ty ▁as ▁a ▁surname ▁The ▁surname ▁Beat ty ▁can ▁refer ▁to : ▁▁ ▁Alfred ▁Ch ester ▁Beat ty ▁( 1 8 7 5 - 1 9 6 8 ), ▁collect or ▁of ▁Chinese ▁and ▁Japanese ▁art ▁ ▁Andrew ▁Beat ty ▁( born ▁ 1 9 8 0 ), ▁Northern ▁Irish ▁journalist ▁and