The foundation stone was laid on St Patrick's Day 1929 and the church was opened exactly one year later.

[1] It has been proposed that the current parish hall in Bishop Street be demolished to make way for a new health centre to serve the whole of Grangetown.

[needs update] It has arisen, however, that this cannot take place due to a group of bats (a protected species in Britain) that live in the roof of the hall.

He was succeeded by Father Bogdan Wera in 2008 – who revived the church with a growing Polish community.

St Patrick's R C Primary School in Lucknow Street, Grangetown has close links with the church.