Hyde is an English surname from a place-name term meaning a land measure or homestead.
Hyde is an Old English surname of stark and ancient simplicity. It derives from 'hīd' — a unit of land in Anglo-Saxon England, typically the amount needed to support one free family, roughly 60 to 120 acres depending on the region. A person named Hyde was likely someone who lived on or managed such a holding, making it one of the most elemental of occupational-geographic surnames: a name that literally measured a person's place in the landscape.
The name's most famous cultural imprint is literary and sinister: Edward Hyde, the monstrous alter ego of the respectable Dr. Henry Jekyll in Robert Louis Stevenson's 1886 novella Strange Case of Dr Jekyll and Mr Hyde. Stevenson's choice of the name was almost certainly deliberate — 'to hide' is a verb of concealment, and Hyde represents everything the Victorian self represses and conceals.
This association has given the name a psychological double life: it is simultaneously a piece of medieval English land tenure and a symbol of the shadow self, the dark twin that civilized identity suppresses. Hyde Park, the great democratic lung of London — where Speakers' Corner has stood since 1872 — and Hyde Park in Chicago, home to the University of Chicago, also carry the name into civic and intellectual contexts. As a given name in the twenty-first century, Hyde is chosen by parents who want something terse, old, and slightly edged — a one-syllable name with centuries behind it and a literary ghost in its DNA. It has a Gothic cool that sits comfortably alongside names like Cain, Grey, and Locke.