"He glanced behind him to where a face with dark thinking eyes followed towards the cardinal's mausoleum. Speaking." (U6.533)
'The cardinal' is Edward McCabe (1816 - 1885), his mausoleum the work of Sir Thomas Farrell. The son of poor parents, McCabe was educated at Maynooth and ordained in 1839. He served in several Dublin churches, became parish priest of Kingstown (1865), Archbishop of Dublin (1879), then cardinal (1882).