[2] In 1824, it was decided that Bangor would be the location of a North Wales Catholic mission by the Vicar Apostolic of the Western District, Bishop Peter Collingridge.

It was difficult finding a suitable location in the city, because of local hostility to Catholics.

In 1827, the mission was established with Mass being said in a room in a house in the Hirael ward of the city.

Irish Catholics passing through the city would often stay for Mass, including once Daniel O’Connell.

A new site for a church on Upper Farrar Road was purchased, but in 1931, the Bishop of Menevia, Francis Vaughan told the priest to sell the land and put the funds towards repairing the church.

[3] In the 19th century, with the expanding population of Bangor, a new Anglican church was needed.

On 29 June 1864, the foundation stone of the church was laid by Mrs Price.

It was designed by John Mechelen Rogers and built in memory of J. W. Hughes, a churchwarden and church benefactor.

The choir stalls were moved from the chancel to the nave and the south aisle was turned into the war memorial chapel, its altar came from Christ Church, Machynlleth, which closed that year.