In Germany given names are regulated. You can't name your kid "Sunrise" here or give him/her a name that is not registered for that sex (some names are registered for both of course).Was Jesus a popular name in Germany and England before the Reformation? I've never heard of anyone in history named Jesus except Jesus of Nazareth.
The name "Jesus" was specifically forbidden for a long time. Technically it still is but (according to wikipedia) at least one family succeded in sueing against that (which does not have the same repercussions in German law as it would have in American law).
Both Josua and Joshua are accepted and not completely uncommon names here. Which essentially is the same thing.
Oh, and there is an exception to that sex rule thingy. It is specifically allowed to give your son "Maria" as a second given name.
Like that: Lukas Maria Schmidt
Lot's of people do that. Like every other catholic lad has that.
I guess that doesn't exactly help you much. I'm sorry.
But for all i know that calling your kid Jesus thing has allways been limited to Spain, Portugal, their colonies (and Jews).