Hi Rogal, it's an original question that goes beyond normal modeling questions but is very interesting.
I'll tell you my opinion on the matter: There are two cases: you can be superstitious or not.
If you are not superstitious the problem does not arise at all.
Even if all the stories were negative, if all the omens were ominous, a non-superstitious person doesn't care, because he doesn't believe it, and changes the name of the ship as and when he wants.
Let's move on to the case of a superstitious person.
In this case we look at the case history. Apart from the truly unfortunate and disastrous case of the Mary Celeste (Canadian brig launched in 1861 with the name of Amazon), or like the Norman Atlantic of 2009 which changed three names, name changes cannot be linked (statistically) to misfortunes.
In Italian and world maritime history are many name changes: the Italian warships passed to the victorious countries after the Second World War, the second Italian training ship Palinuro, the Calypso, the golden Hind, the first two Chinese aircraft carriers of the former Soviet Union, USS Phoenix, all warships sold (used) to other navies and hundreds more cases.
Yet the vast majority have had no adverse events (any more than ships that have never changed names).
So Rogal, whether you are superstitious or not, you can change the name of your Ketch.
Naval history and statistics do not give clearly unfavorable results.
Choose the one you like most.
P.S.
It is difficult for there to be absolutely no superstitious people. Small ritual gestures are common even to the most sceptical. In this regard, I want to tell you a nice and interesting anecdote.
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