Actually, while Gene and Paul are Jewish, Peter Criss is of Italian descent and Ace Frehly is of Pennsylvania Dutch background. The Ramones are another great band that was mostly Jewish (Joey and Marky; Johnny is Italian-Irish, and I'm not sure what DeeDee's background was.
I certainly bow to your superior knowledge of all thing KISS. ;-)
But, I'm almost certain that my info was nearly a direct quote from Mr. Simmons when he was in town a few years back.
Maybe I misunderstood.