Then there is the nuncheon, at noon or after as duties allow; and men gather for the daymeal, and such mirth as there still may be, about the hour of sunset.
But do not look for mirth at the ending.
Yet in the wizard’s face he saw at first only lines of care and sorrow; though as he looked more intently he perceived that under all there was a great joy: a fountain of mirth enough to set a kingdom laughing, were it to gush forth.
Thus came Aragorn son of Arathorn, Elessar, Isildur’s heir, out of the Paths of the Dead, borne upon a wind from the Sea to the kingdom of Gondor; and the mirth of the Rohirrim was a torrent of laughter and a flashing of swords, and the joy and wonder of the City was a music of trumpets and a ringing of bells.
There are no more uses of "mirth" in the book.
Show samples from other sources
It was an evening of many stories and great mirth.
He felt no mirth or humor and wondered if there’d ever be a time again when he would.