Theodoric of Mont d'Hor

Saint Thierry or Theodoric of Mont d'Hor was a disciple of Saint Remigius who became abbot of Saint-Thierry Abbey, near Reims, France.
His feast day is 1 July.

Monks of Ramsgate account

The monks of St Augustine's Abbey, Ramsgate wrote in their Book of Saints,

Butler's account

The hagiographer Alban Butler wrote in his Lives of the Fathers, Martyrs, and Other Principal Saints under July 1,

Baring-Gould's account

Sabine Baring-Gould in his Lives Of The Saints wrote under July 1,