from a number of sources was that Tony Cornero's original plan was to name it the Starlight, but when Moe Sedway took over upon Cornero's demise, Sedway promptly changed the planned name to to the Stardust.
Naturally, since you've never led me astray, I'll check those sources again. I'm sure didn't make it up as I'm not that smart. But, I can often learn quickly.