Born and baptised at Becanour on the first of April 1824, the future saint was the fifth of thirteen children from the marriage Louis-Zephirin Moreau and Marquerite Champoux-Saint-Pair. This "intelligent, pious, modest, gentle, and thoughtful" child was educated in his native parish until the age of fifteen before being admitted into the Seminary of Nicolet. In 1844, he received the ecclesiastic habit at Quebec, but in 1845, Msgr Signay sent him back home, because he found him to be in fragile health. It would take more than this setback to discourage the young man on his path towards the priesthood. He then begged Msgr Bourget to permit him to achieve his dream at the Ecole de theology of Montreal. This was accomplished, thanks to the kindness of Msgr Prince, head of this institution. Father Moreau was ordained a priest on Dec. 19, 1846. at the age of 22. Six years later, Msgr Prince became the first titular of the new diocese of Saint-Hyacinthe and he appointed Father Moreau as secretary-chancellor. The apprenticeship of the future prelate was as parish priest for the cathedral, and he was administrator of the diocese five times. On Jan 15 1876, at the age of 51, Father Moreau became the fourth bishop of Saint Hyacinth.

As bishop, he remained what he had always been: "good, simple, humble, and poor". Twenty three years after his death, steps were taken towards his beatification and canonization. The numerous healings which were attributed to him would later launch this irrevocable progression towards the formal recognition of his holiness.

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