There have been more popes of this name than any other, but the last, number XXIII, was more than 40 years ago
... A significant number of these popes have been recognized as 
saints,... [DOC] [TLE] Why JP II & Benedict XVI Were Antipopes And Francis Is [PAR] The anti-popes were men who by the aid of faithless Christians or others ... of 
many other notorious damnable heresies he has taught over the last 40 years 
and still ... Christ's Vicar on Earth, Venerable Pope Pius IX, reigned longer than 
any Pontiff .....