▁The ▁con greg ation ▁consists ▁of ▁ 1 7 2 ▁religious ▁sister s ▁as ▁of ▁January ▁ 2 0 1 6 . ▁ ▁It ▁was ▁founded ▁November ▁ 1 0 , ▁ 1 9 5 6 , ▁in ▁Cot ab ato ▁City ▁by ▁two ▁mission aries ▁of ▁O bl ates ▁of ▁Mary ▁Im mac ulate ▁who ▁came ▁to ▁Man ila ▁in ▁ 1 9 3 9 : ▁F athers ▁George ▁D ion ▁and ▁Ger ard ▁Mon ge au . ▁The ▁First ▁M embers ▁were : ▁Sr . ▁Ma . ▁Est rel la ▁Ad re , ▁O ND , ▁and ▁Sr . ▁Ros ita ▁Qu ij ano , ▁O ND ▁ ▁Their ▁primary ▁apost olate ▁is ▁past oral ▁c ate ches is . ▁Many ▁sister s ▁are ▁working ▁as ▁parish ▁sister s ▁and ▁help ▁in ▁dioc es an ▁offices ▁in ▁various ▁local ▁churches . ▁They ▁own ▁and ▁admin ister ▁schools ▁or ▁help ▁in ▁other ▁institutions ▁as ▁administr ators , ▁de ans ▁of ▁women ▁or ▁campus ▁minister s ▁especially ▁among ▁Notre ▁D ame ▁schools ▁in ▁the ▁Philippines ▁and ▁church - owned ▁institutions . ▁ ▁The ▁O ND ▁Sister s ▁are ▁also ▁engaged ▁in ▁a ▁large ▁variety ▁of ▁social ▁minist ries , ▁and ▁work ▁in ▁conj unction ▁with ▁the ▁O ND ▁H es ed ▁Foundation . ▁ ▁Mission ▁The ▁O bl ates ▁of ▁Notre ▁D ame ' s ▁spiritual ity ▁is ▁based ▁on ▁being ▁poor ▁and ▁seeking ▁to ▁evangel ize ▁the ▁poor , ▁in ▁the ▁spirit ▁of ▁Jesus ▁alongside ▁Mary . ▁ ▁The ▁O ND ▁Sister