Allard is a variation of Alard, an Anglo-Norman French personal name. The surname Hallett is derived from Alard.The first users of the surname Hallett date back to the Anglo Saxon tribes of Britain. The name is derived from when the Hallett family lived in the county of Kent where they were known as the dwellers at the hall or manor. Alard comes from the Old Germanic Adelard, composed of the Germanic elements "adal", meaning noble, plus "hard", meaning hardy, brave or strong.
Variations: Adlard, Hallett, Ellert, Hallard, Hallatt, Hallitt, Hallot, Haylett, Hollett