Thyrsus' relics were brought to Constantinople. His cult became popular in the Iberian Peninsula since the Middle Ages, initially known as Santo Tirso, remaining as that only in Portugal, as it changed to San Tirso in Spain.
The relics of Thyrsus were moved to Constantinople. The cult of Thyrsus became widespread in the Iberian Peninsula from medieval times onward, originally called Santo Tirso and retained that name solely in Portugal, while it was renamed San Tirso in Spain.