From the 1830s until his death in 1878 , Cullen held several key positions near the top of the Irish hierarchy .
From the 1830s until his death in 1878 , Cullen influenced Rome 's appointment of Irish bishops on four continents .
From the 1830s until his death in 1878 , Cullen held several key positions near the top of the Irish hierarchy and influenced Rome 's appointment of Irish bishops on four continents .