ion ▁was ▁on ▁display ▁in ▁the ▁C athedral ▁until ▁ 2 0 1 0 ▁when ▁it ▁was ▁st olen ▁from ▁the ▁church ▁by ▁a ▁jan itor . ▁The ▁re lic ▁was ▁eventually ▁returned ▁to ▁the ▁C athedral , ▁and ▁since ▁its ▁the ft ▁the ▁re lic ▁has ▁only ▁been ▁on ▁display ▁during ▁special ▁dates ▁throughout ▁the ▁lit urg ical ▁year . ▁ ▁In ▁ 2 0 1 8 , ▁the ▁first ▁major ▁renov ation ▁of ▁the ▁c athedral ▁began . ▁During ▁the ▁process , ▁approximately ▁ 8 , 0 0 0 ▁square ▁feet ▁of ▁rec laimed ▁wood ▁was ▁salv aged ▁from ▁the ▁building . The ▁ 2 6 ▁million ▁doll ar ▁renov ation ▁was ▁completed ▁on ▁Pal m ▁Sunday ▁ 2 0 1 9 . ▁ ▁Architecture ▁The ▁c athedral ▁was ▁designed ▁by ▁Patrick ▁Ke ely , ▁a ▁noted ▁ecc les iast ical ▁architect , ▁in ▁the ▁Goth ic ▁Rev ival ▁style . ▁Const ruction ▁comm enced ▁in ▁ 1 8 6 7 ▁and ▁was ▁completed ▁in ▁ 1 8 7 5 . ▁With ▁local ▁anti - C atholic ▁sent iments ▁a ▁recent ▁memory , ▁the ▁Goth ic ▁Rev ival ▁ed ifice ▁was ▁intention ally ▁massive , ▁a ▁statement ▁that ▁the ▁C athol ics ▁of ▁Boston ▁were ▁here ▁to ▁stay . ▁Br icks ▁from ▁the ▁ 1 8 3 4 ▁ri ots ▁in ▁Char l est own , ▁in ▁which ▁an ▁Urs ul ine ▁convent ▁was ▁burn ed ▁down , ▁were ▁used ▁in ▁the ▁arch ▁over ▁the ▁front ▁door . ▁Bu ilt ▁of