Right! So (a) the 'Oxlad' pursuit can be curtailed in favour of 'Oxlade (?). This sets up yet more problems
(b) My infos, from the online Oxlade family archives, may actually lead in a direction other than to Portsea. How, then, do you explain a John Oxlade printing all broadside ballads under the imprimateur of 'W. Oxlade' in Portsea when there's never a mention of a 'W. Oxlade' in Portsea at the time? (PS this is not a challenge, but a genuine question). Maybe I put two and two together but JO's previous life, including prison sentence, the deaths of children in 1812 and the fact that printers and other tradesmen frequented Portsea during the Napoleonic wars only to encounter a decline in trade immediately afterwards that sent them back, sometimes, from whence they came, are all, surely, of note and, perhaps, matching up. I'm not the only one to find out that the family (involved in printing) of Brian Blessed, the actor, did exactly this.