Delière

Delière is a surname of French origin. The exact etymology is uncertain; it may derive from a habitational name linked to a place called Delière in medieval France, or from the verb délier, meaning to untie, in which case it could have originated as a nickname or an occupational-type surname. The form with diacritics reflects regional spelling variations found in French records.

The name appears in French genealogical records from the late Middle Ages and is today carried by families in France and in Francophone communities abroad, notably in Canada and parts of Europe and Africa where French surname distributions occur. It is relatively uncommon and does not have a single widely known bearer who defines the name.

Variants of the surname include Délière, Delier, and, less commonly, Delyère or Delière, depending on orthographic practice and regional usage. In scholarly and genealogical contexts, Delière is treated as a family name rather than a toponym or given name. People bearing the name have pursued diverse careers across public life, culture, and professions, but no universally recognized figure dominates its contemporary recognition.