Bishop Hilário de Santa Rosa was a member of the Franciscan Order of Friars Minor. He was appointed Bishop of Macao in 1739, and came to assume his office in 1742. During his service in Macao, he renovated the Cathedral, set up a foudation for the Board of Diocesan Consulters and forbade the Catholics to trade slaves. In 1750 he retired and returned to Portugal where he died in Lisbon in 1764. Bishop Rosa was honest and upright, being happy to lead a simple life. He didn't leave any possession behind when he passed away.