Robert Bird

(male) One of the many French names of Germanic origin that were introduced into Britain by the Normans; it has since remained in continuous use. It is derived from the nearly synonymous elements hrōd ‘fame’ + berht ‘bright, famous’, and had a native Old English predecessor of similar form (Hreodbeorht), which was supplanted by the Norman name. Two dukes of Normandy in the 11th century bore the name: the father of William the Conqueror (sometimes identified with the legendary Robert the Devil), and his eldest son. It was borne also by three kings of Scotland, notably Robert the Bruce (1274–1329), who freed Scotland from English domination. The altered short form Bob is very common, but Hob and Dob, which were common in the Middle Ages and gave rise to surnames, are extinct. See also Rupert.

English and Scottish: from Middle English bird, brid ‘nestling’, ‘young bird’ (Old English bridd), applied as a nickname or perhaps occasionally as a metonymic occupational name for a bird catcher. The metathesized form is first found in the Northumbrian dialect of Middle English, but the surname is more common in central and southern England. It may possibly also be derived from Old English burde ‘maiden’, ‘girl’, applied as a derisory nickname.