[6] She converted to Catholicism, despite the objection of her relatives, on 31 October 1830 as a result of the Vaughan's devotion to the Christian faith and John Francis being a member of the Sodality of Our Lady.
[5] They would later have thirteen children, one dying after birth, four of five daughters becoming nuns and six of her eight sons became priests, including a bishop, an archbishop and a cardinal: Eliza developed a great passion for Catholic devotions.
[1] Throughout her life, she made it a habit of spending an hour a day in prayer, between 5 and 6 p.m., before the Blessed Sacrament inside their family chapel in Courtfield.
[7] Because of her, devotions and daily Masses in the family chapel were just as much as part of her children's everyday life as playing, riding horses, amateur theater, and music.
[7] Her charitable works of visiting the sick and helping the needy encouraged as well her children to be generous and make sacrifices such as giving away their toys or savings.
In a letter, John Francis expressed his belief that divine providence brought Eliza to him, saying: "I thanked the Lord in adoration today that I could give back to him my dearly beloved wife.