Source: http:// www.hymnsandcarolsofchristmas.com/Hymns_and_Carols/deck_the_hall.htm Deck the Halls with Boughs of Holly. This song’s music (but not its words ) was developed in Wales. It resembled songs by English Madrigals in the 1500’s.
Deck the Halls begins to distinguish between Holy Day and Holiday with its festive theme for a joyous New Year.
One London harpist, Edward Jones published an early version of the song in 1784 in his book: Musical and Poetical Relicks of the Welsh Bards.