Locking Family History
Locking Surname Meaning
Perhaps from an unrecorded Middle English personal name Lokking, an Old English pet form of Locc + the hypocoristic suffix -ing. Old English Locc probably a nickname ‘lock of hair’ is thought to be the first element of the Somerset place-name in (2).
From Locking (Somerset) or possibly East and West Lockinge (Berks), though there it is usually pronounced with final -indge rather than -ing. The Somerset place-name may derive from an Old English personal name Locc + the place-name forming suffix -ing.
The Berks place-name is recorded as Lacinge in a 12th-century copy of a document from 868 and probably takes its name from a lost river-name itself named with Old English lāc ‘play sport’ + the place-name forming suffix -ing.
In SE England, probably a variant of Luckin.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016