Saint Tanguy was a 6th-century monk from Armorica, specifically hailing from Gerber. He is primarily recognized for establishing the abbey of Saint Matthieu located at Le Conquet. Following his death in 594, he was laid to rest at Locmazhé in the Finistère region. His life and religious contributions remain significant within the Breton monastic tradition.
Life and work

Born around 550, Tanguy lived during the early monastic period in Armorica. He dedicated his life to religious service and is most notable for founding the Saint Matthieu abbey. This monastic center at Le Conquet became a lasting part of his spiritual legacy in the region.
Veneration
The saint is commemorated on two different dates in the liturgical calendar. He is honored on 19 November, which follows the feast of his sister, Aude de Trémazan. Additionally, he is celebrated on 12 March, coinciding with the feast day of his spiritual mentor, Saint Pol Aurélien.
