Like Kendal those are the chords I also use, but sometimes stray with this variation:

C twas the yea...18 hundred... and
F..six set C sail...
G cork... we were
C sailing..F bricks .. C new city G hall..C york.
G she was an elegant craft
F rigged fore and C aft . . .
. C how the trade winds G drove her.. C 23 masts.. F blasts