This interesting and unusual name is of medieval English origin and is a topographic surname for someone who lived in a low-lying marshy area. The derivation is from the old English pre 7th Century "foenn", which is the East Saxon form of the word "fenn", meaning marsh or bog. In the modern idiom, the variants include Fenn, Venn, Vaun(e), Vance, Vanns, Van, Fenning and Fanning. Amongst examples of namebearers recorded in Norfolk are, one, Alice Fann who married Thomas Preston on October 8th 1593 at St. Gregory's church, Norwich and Robert Fenne, the infant son of William and Ann who was christened on January 13th 1705 at St. Mary at Coslany church, Norwich.The Coat of Arms most associated with the family has the blazon of a silver shield on a blue fesse three silver escallops all within a blue bordure engrailed. The crest being a dragon's head erased. The first recorded spelling of the family name is shown to be that of John del Fan, which was dated 1199, in the Memoranda Roll of Essex, during the reign of King Richard 11, known as "The Lionheart", 1189 - 1199. Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax. Throughout the centuries, surnames in every country have continued to "develop" often leading to astonishing variants of the original spelling.