He was a Pope from 461-468 and guardian of Church unity. He was born in Sardinia, Italy, and was a papal legate to the Robber Council of Ephesus in 449, barely escaping with his life from this affair. Hilary was used by Pope St. Leo I the Great on many assignments. When Leo died, Hilary was elected pope and consecrated on November 19,461. He worked diligently to strengthen the Church in France and Spain.