William Jephson (died 11 April 1720) was Dean of Lismore from 1691 until 1720.[1]
He was educated at Trinity College Dublin.[2] He was a Minor Canon at St Patrick's Cathedral, Dublin then Rector of Monaghan and Prebendary of Donoughmore. His final appointment was at Inishlonaght.
He died on 11 April 1720.[3]