[1] His entrance into the priesthood came about due to his mother being struck dead in a lightning strike which he believed was divine judgment for his sins and a call to service.

[2][3] His reputation for holiness was evident in his life and miracles at his tomb were recorded after his death; Pope Leo IX – a successor in Toul – later canonized him on 21 October 1050 in Rome.

Gerard also fought against secular intervention in ecclesial matters and also invited monks from Ireland to come to his schools to teach.

[1][2] His canonization was celebrated under Pope Leo IX in Rome on 21 October 1050 – that pontiff served as a successor in Toul and venerated the late bishop.

[2] Gerard's remains were exhumed in Leo IX's presence in Toul on the night of 20 October 1051 and he was found with his white hair to still be in good preservation.