[3] Cecil Chetwynd Kerr, Marchioness of Lothian was a follower of the Oxford movement.

Her spiritual advisor John Henry Newman was a leading thinker in the group.

After she converted to Catholicism in 1851, Lady Lothian decided to build a church for the Catholic population in Dalkeith.

[4] In 1944, the Jesuits left the parish and handed over administration of the church to the Archdiocese of St Andrews and Edinburgh who continue to serve the congregation.

In 1966, part of the Loreto School in Musselburgh was moved to St David’s.