After serving as bishop for thirty-nine years, he died August 11, 619 and was buried in the church of Saint Médard, which he had founded at Cambrai.
Veneration commenced immediately after his death.

When the church of Saint Medard was demolished by the emperor Charles V for the building of the citadel, the canons were removed, and took with them the relics of the saint, to the old church of Saint Vedast, which from that time has borne the name of Saint Gery.
The Church of Saint-Géry is one of the oldest in Cambrai, and a listed historical monument since 1919.

His feast day is mentioned in the martyrology of Rabanus Maurus for August 11.
After serving as bishop for thirty-nine years, he died August 11, 619 and was buried in the church of Saint Médard, which he had founded at Cambrai. Veneration commenced immediately after his death. 
When the church of Saint Medard was demolished by the emperor Charles V for the building of the citadel, the canons were removed, and took with them the relics of the saint, to the old church of Saint Vedast, which from that time has borne the name of Saint Gery. The Church of Saint-Géry is one of the oldest in Cambrai, and a listed historical monument since 1919.
His feast day is mentioned in the martyrology of Rabanus Maurus for August 11.
Gaugericus