The present church opened in 1813 and was built as a replacement for the old chapel that existed at the site.

[1][2] The Booterstown parish was established in 1616 and its boundary was from Irishtown, through Donnybrook, Milltown, Churchtown, Rathfarnham to the top of Three Rock Mountain through Sandyford to Seapoint taking in Dundrum, Stillorgan and Galloping Green.

[1][2] Construction of the present parish church started on 6 August 1812 with the laying of the foundation stone.

This was to avoid upsetting his local Protestant tenants and friends.

The church was dedicated to the Feast of the Assumption on 15 August 1813, by Dr. John Troy, Archbishop of Dublin.