Seeing as these songs where all popular during the 78 rpm era, and Tiny Tim was already famous for his cover of the 78 rpm era hit Tip Toe Through the Tulips, issuing this as a 78 as a gimmick was idea.
There is no way to distinguish a London pressing with 'Made in England' as being destined for Canada or the USA. Some pressings actually exist with 'Made in England', 'Made in USA' and 'Made in Canada' variations. Surely some 'Made in England', such as George Formby, are more likely to have been for Canada rather than the USA. One possibility is that London did initial pressings in the UK, then if a record took off, did local pressings to more rapidly meet demand.
Should they be listed here as UK Export? No, because in most cases no USA or Canada equivalent exists. Ideally what should be a hybrid 'flag', of USA/Canada, such as we have for international