1 9 0 1 – 1 9 0 4 ▁and ▁returned ▁as ▁a ▁cur ate ▁to ▁the ▁Pro - C athedral ▁where ▁he ▁remained ▁until ▁ 1 9 2 0 . ▁ ▁Bry ne ▁was ▁appointed ▁A ux ili ary ▁Bishop ▁of ▁Dublin ▁and ▁Tit ular ▁Bishop ▁of ▁P ega e ▁by ▁Pope ▁Bened ict ▁XV ▁on ▁ 1 9 ▁August ▁ 1 9 2 0 . ▁He ▁was ▁ord ained ▁a ▁bishop ▁by ▁Arch bishop ▁William ▁Wal sh ▁at ▁the ▁Pro - C athedral ▁on ▁ 2 8 ▁October ▁of ▁the ▁same ▁year . ▁▁▁ ▁By r ne ▁was ▁translated ▁as ▁Arch bishop ▁of ▁Dublin ▁and ▁thus ▁Pr imate ▁of ▁Ireland ▁on ▁ 2 9 ▁August ▁ 1 9 2 1 . ▁His ▁mot to ▁was : ▁" In ▁Te ▁Dom ine ▁S per avi ." ▁He ▁was ▁later ▁appointed ▁Ass istant ▁at ▁the ▁Pont ific al ▁Th r one ▁and ▁named ▁a ▁Knight ▁Grand ▁Commander ▁of ▁the ▁Order ▁of ▁Mal ta . ▁ ▁Arch bishop ▁of ▁Dublin ▁By r ne ▁became ▁Arch bishop ▁at ▁a ▁critical ▁time ▁in ▁Irish ▁history . ▁ ▁During ▁his ▁early ▁years ▁as ▁Arch bishop , ▁at ▁the ▁time ▁of ▁the ▁Irish ▁Civil ▁War , ▁he ▁tried ▁to ▁bring ▁about ▁peace ▁by ▁calling ▁a ▁conference ▁of ▁the ▁leaders , ▁but ▁no ▁basis ▁for ▁agreement ▁could ▁be ▁found . ▁Ar gu ing ▁that ▁the ▁majority ▁of ▁the ▁Irish ▁people ▁supported ▁the ▁Tre aty , ▁he ▁ad vised ▁de ▁Val era ▁not ▁to ▁split ▁the ▁S inn ▁F é