Eudes de Sully

Odo of Sully, (French: Eudes de Sully, Odon de Sully, Odo de Sully; Latin: Odo de Solleiro, Odo de Soliaco) (died 1208) was Bishop of Paris, from 1197 to 1208. He is considered to be the first to have put emphasis on the Elevation liturgy during the Catholic Mass. He worked to address many social matters including regulating celebrations in his cathedral. He also tried to ban chess. He founded the abbey that became Port-Royal.

On the political stage, he came into conflict with French king, Philip Augustus, over Philip's intended repudiation of his wife.

As a churchman, he continued the building work on Notre Dame de Paris. He is considered the first to have emphasized the elevation of the host during the Catholic Mass. In 1175, he forbade communion for children. Odo's decree on custody of reserved hosts, requiring a "clean pyx", was influential in England.

In surviving decrees, he, as bishop, is seen addressing a number of social matters. He attempted to regulate celebrations in his cathedral, Christmas and the Feast of Fools. He also tried to ban chess.

He is also known for his promotion of polyphony in church, and the music of Pérotin.

He was a founder of the abbey that became Port-Royal.

His brother Henry de Sully was archbishop of Bourges. Their father, also Eudes of Sully, was son of William of Blois, lord of Sully.

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