General idea for picking pattern: 
E----------------------------- 
B--------1-----------1-------- 
G------0---0-------0---0------ 
D----2-------2---2-------2---- 
A--3-----------3-------------- 
E----------------------------

Intro: C 
 
C                 F                   C 
O holy night, the stars are brightly shining 
                       G              C 
It is the night of our dear Saviour's birth 
C                     F              C 
Long lay the world in sin and error pining 
         Em             B7            Em 
Til He appeared and the soul felt its worth 
  G                  C 
A thrill of hope the weary world rejoices 
   G                C 
For yonder breaks, a new and glorious morn 
Am            Em       Dm             Am 
Fall on your knees, oh hear the angel voices 
  C  G    C  F 
O night divine 
  C   G                C 
O night when Christ was born 
  G       C Dm   C    G           C 
O night, O holy night, O night divine