THE SUNDAY TIMES BESTSELLERSurnames are much more than convenient identity tags, they are windows into our families' pasts. Some suggest ancestral trades (Butcher, Smith, Roper) or physical appearance (Long, Brown, Thynne). Some provide clues to where we come from (McDonald, Evans, Patel). And some - Rymer, Brocklebank, Stolbof - offer a hint of something just a little more exotic or esoteric.All are grist to the mill for David McKie who, in What's in a Surname?, sets off on a journey around Br ...