The song "I Wish You a Merry Christmas" was written by English composer John Francis Wade in 1743. It was originally written as a religious hymn, but over time it has become a popular Christmas carol and is often sung during the holiday season. Wade's version of the song is a four-verse hymn, and there have been numerous adaptations and variations of the lyrics over the years. Today, it is a beloved classic that is enjoyed by people of all ages and cultures around the world.