Home Popes Pope Leo IV Pope Leo IV Pope Pope Saint Leo IV (790 – 17 July 855) was Pope from 10 April 847 to his death in 855. Personal facts Birth dateJanuary 01, 0790 Birth placeItaly , Rome Date of deathJuly 17, 0855 facebook tumblr linkedin twitter reddit google+ Search Topical connections Pope Adrian IPope Giovanni Gaetano Orsini Cleric Guy III of SpoletoRoyalty Pope Leo IV on Wikipedia Pope Leo IV External resources http://www.documentacatholicaomnia.eu/01_01_0847-0855-_Leo_IV,_Sanctus.html http://www.newadvent.org/cathen/09159a.htm http://www.stpetersbasilica.info/Exterior/Colonnades/Saints/St%20Leo%20IV-109/StLeoIV.htm