Saint Mungo a coracle in which she drifted across the River Forth to Culross in Fife. There Mungo was born. Mungo was brought up by Saint Serf who was ministering to the Picts in that area. It was Serf who gave him his popular pet-name. At the age of twenty-five, Mungo began his missionary labours on the Clyde, on the site of modern Glasgow. He built his church across the water from an extinct volcano, next to the Molendinar Burn, where the present medieval cathedral now stands. For some thirteen years, he laboured in the district, living a most austere life in
St Mary's Cathedral, Kilkenny which was sourced locally. The cathedral has a cruciform plan and its style is described as ‘Early English Gothic’. The design is believed to have been based on Gloucester Cathedral in Gloucester, England. It is situated on the highest point in Kilkenny City and is a significant local landmark. The cathedral is variously referred to as "St Mary’s", "the church of St Kieran" and "the Cathedral of the Assumption". St. Mary’s has a noted sculpture of the Madonna by Giovanni Maria Benzoni (1809-1873). St Mary's Cathedral, Kilkenny St Mary’s is the cathedral church of the Roman Catholic Diocese of Ossory.