I found this in OXFORD RIVISED EDITION A DICTIONARY OF ENGLISH SURNAMES by Reaney & Wilson. p.48 Blanchard, Blanshard; Blanchard de Morba 1180 P (D); Rotbertus blanchard, Rotbertus quippe blanchard 1086 InqEl (sf); Richard Blanchard 1177 P (l); William Blanchart (1198 P (L); Thomas Blansherde 1152 FrY. OFr Blancart, Blanchart, OG Blankard, Blanchard. The 1086 example is, however, certainly a nickname, probably identical with Robertus Blancardus (1086 DBNf) who is probably identical with Robertus Blundus, Albus, Flavus. OFr blanchart "Whitish", probably with reference to the hair. Only one example of the personal name has been noted. Abbrev. P - Pipe Rolls: Record Commission, 3 vols, London 1833-44; Pipe Roll Soc. (in progress) The Great Roll of the Pipe for the twenty-sixth year of Henry the Third, ed. H.L. Cannon, Yale Histery Pub 1918 InqEl - Inquisitio Eliensis vlcc sf - Suffolk D - Devonshire L - Lincolnshire FrY - Register of the freemen of the city of York (Surtees Soc. 96, 102, 1897, 1899) OFr - Old French OG - Old German Nf - Norfolk Mary Ladd