During the 1920s and 1930s a lot of British Aircraft manufacturers chose place names associated with the upper echelons of business and society. However, at the onset of the Second World War, manufacturers increasingly opted for place names known for their industrial and engineering capacity in contrast to the naïve elitism of the pre-war age. Names like Hampden, Oxford, Blenheim, gave way to names like Halifax, Sunderland and Lancaster as these ‘grass roots’ towns proved vital to prosecuting the war effort and (mote importantly) the first modern ‘peoples war’. (i.e. Not in the hands of the Duke of Marlborough or some such toff!)
The link below might interest you but I’m not too sure of the validity of some these incarnations…
http://www.chris.brady.ukgateway.net...tnicknames.htm
……..Dakasaurus Rex indeed?