« Reply #1 on: Sunday 21 April 13 15:20 BST (UK) »
There are overseas bdm's, or consular returns. Either of these might have a record of your ancestor's marriage. Not sure if Ancestry has them, but findmypast does.
I am Australian, from all the lands I come (my ancestors, at least!)
Pine/Pyne, Dowdeswell, Kempster, Sando/Sandoe/Sandow, Nancarrow, Hounslow, Youatt, Richardson, Jarmyn, Oxlade, Coad, Kelsey, Crampton, Lindner, Pittaway, and too many others to name.
Devon, Dorset, Gloucs, Cornwall, Warwickshire, Bucks, Oxfordshire, Wilts, Germany, Sweden, and of course London, to name a few.