Here's the chords I've been using for years, but they may not paste on the forum correctly.
C Dm6 Em Am
Chestnuts roasting on an open fire,
C C6 C7 Fmaj E7
Jack Frost nipping on your nose,
Am Fm C B7
Yuletide carols being sung by a choir,
Emaj7 Bb G G7 C
And folks dressed up like Eskimos, everybody knows
C Dm6 Em Am
A turkey and some mistletoe,
C C6 C7 Fmaj7 E7
Help to make the season bright.
Am Fm C B7
Tiny tots with their eyes all aglow
Em Am C G C
Will find it hard to sleep tonight.
Gm Am7
They know that Santa's on his way;
Bb Gm Am7
He's loaded lots of toys and goodies on his sleigh.
Ab Bb
And every mother's child is going to spy,
D7 Fm6 G
To see if reindeer really know how to fly.
C Dm6 Em Am
And so I'm offering this simple phrase,
C C6 C7 Fmaj E7
To kids from one to ninety-two,
Am Fm C B7
Although its been said many times, many ways,
F C Dm G C
Merry Christmas to you
Gary