 In the Glorious Revolution of 1688, he was accused to support King James II of England, however already in the following year his loyalty to King William III of England was confirmed and he was acquitted.Corry was elected a Member of Parliament for Fermanagh in 1692, and represented the constituency until his death in 1718.Having been already a deputy from 1697, he was appointed Governor of Fermanagh in 1705.