St Mary's Church was both the priory church of the medieval Benedictine Cardigan Priory and a parish church. It continues as a parish church.
While the church was a 12th century foundation, the present building dates from the fourteenth century, although substantially rebuilt. In the thirteenth century St Mary's Priory church was the site of the shrine of Our Lady of the Taper, which was demolished at the Dissolution of the Monasteries.
The porch was rebuilt in 1639. In 1705, the tower collapsed; it was rebuilt over the next 40 years and was finally completed in 1748.
The stained glass window in the east wall of the chancel was installed in 1924, and depicts the Crucifixion with the Virgin Mary and St John. Surviving fragments of fifteenth century glass are set in the upper tracery lights.
Dr David Rowlands, Inspector of H.M. Hospitals and Fleets, Royal Navy, died in 1846. He is commemorated by a memorial tablet inside the church.
References:Visby Cathedral (also known as St. Mary’s Church) is the only survived medieval church in Visby. It was originally built for German merchants and inaugurated in 1225. Around the year 1350 the church was enlarged and converted into a basilica. The two-storey magazine was also added then above the nave as a warehouse for merchants.
Following the Reformation, the church was transformed into a parish church for the town of Visby. All other churches were abandoned. Shortly after the Reformation, in 1572, Gotland was made into its own Diocese, and the church designated its cathedral.
There is not much left of the original interior. The font is made of local red marble in the 13th century. The pulpit was made in Lübeck in 1684. There are 400 graves under the church floor.