Transferred use of the surname, a local name from any of the numerous places named with Old English clif ‘cliff, slope, riverbank’ + tūn ‘enclosure, settlement’. Use of this as a given name is more recent than that of Clifford. It may in some cases have been adopted as an expanded form of Cliff.
English: habitational name from any of several places named Whitchurch from having a ‘white’ (Old English hwīt) church, i.e. probably one built of stone, as for example in Dorset, Hampshire, Shropshire, and Somerset.