Faris(s)/Faries has two likely origins in Ireland. 
From O Fearghuis anglicised as Fergus, Ferris and Farris; 
a Connacht name.



Thanks to Eddie Geoghegan for the coat of arms shown below.
Geoghegan Family Page & Coat of Arms

Below you will find a link to William Faris/Farris
and his descendants.  (this page is not online at this time)