I believe that the archives of the American Name Society might still
be at SUNY Potsdam. You might try the English Department there and see
if they can point you in the right direction.

Tom Perrin

David Allen wrote:
>
 Has anybody encountered an
> explanation of the source of these names?  (I suspect that they derive from some
> French exploration of the New York area between 1610 and 1630.)