St Mary's Cathedral, Perth, Catholic cathedral in Victoria Square, Perth, Australia

St Mary's Cathedral stands at the centre of Victoria Square, its 1865 Norman Gothic brick nave joined to a 1930 stone transept and sanctuary, with exposed metal bands left protruding from the transept wall for a future completion. A curved 2009 addition brought a second spire and an underground parish centre.

Bishop Rosendo Salvado laid the foundation stone on 8 February 1863, and the Norman Gothic cathedral by Joseph Ascione opened on 29 January 1865. In 1926 work began on Michael Cavanagh's larger Gothic design, but the Great Depression cut it short: the 1865 church became the nave of an incomplete cathedral opened on 4 May 1930. After a $2 million Hassell bequest in 1999, the building closed in 2006 and reopened in December 2009.

The cathedral houses Australia's oldest Catholic boys' choir and serves as the spiritual heart of Perth's Catholic community. It remains a place where the faithful gather for worship and celebration throughout the year.

Guided tours are available to explore the architectural features and religious artworks throughout the building. Check ahead before visiting, as tours run at specific times and special services may affect general access.

The 1926 foundation stone was laid for a much larger cathedral, but the Great Depression halted work. Exposed metal bands were left protruding from the new transept walls, ready for a completion that took until 2009. The sanctuary mosaics follow designs from the Book of Kells.