Kalanta Xristougenon (Κάλαντα Χριστουγέννων) is a Greek traditional Christmas carol (kalanta) translated into English simply as "Christmas Carol."
 This carol is commonly abbreviated as "Kalanta" or "Kalanda", some other common titles for this Christmas carol are Kalin Iméran and Christos Genate.
 This carol is commonly sung around Christmas and accompanied by light percussion instruments such as the Triangle (musical instrument) and Guitar.
Laurence Oliphant (1691–1767) was a Jacobite army officer who belonged to a branch settled at Findo Gask in Perthshire, Scotland.
 He took part in the rising of 1715, and both he and his son Laurence (died 1792) were actively concerned in the rising of 1745, being present at the battles of Falkirk and Culloden.
 After the ruin of the Stuart cause the Oliphants escaped to France, but were afterwards allowed to return to Scotland.
 On 14 July 1760 he was created Lord Oliphant in the Jacobite peerage.
 Oliphant's descendants include Carolina, Baroness Nairne and from his sister are descended Laurence Oliphant the author, MP and diplomat and Thomas Oliphant, musician and author of "Deck the Halls with Boughs of Holly".
Connie Dover is an American singer-songwriter who primarily writes and performs Celtic music and American folk music.
 Born in Arkansas and raised in Kansas City, Missouri, she started her career playing bluegrass before joining Celtic band Scartaglen in the early 1980s.
 In the 1990s, she began a solo career and has released four solo albums since 1991's "Somebody", all on the Taylor Park Music label, with noted Scottish musician Phil Cunningham of Silly Wizard serving as producer.
 She completed recording a CD of traditional Christmas songs and carols with the Kansas City Chamber Orchestra, entitled "The Holly and the Ivy", which was released in 2008.
"Deck the Halls" or "Deck the Hall" (which is the original version of the lyrics) is a traditional Christmas, yuletide, and New Years' carol.
 The melody is Welsh dating back to the sixteenth century, and belongs to a winter carol, "Nos Galan", while the English lyrics, written by Thomas Oliphant, date to 1862.
Thomas Oliphant (1799–1873) was a Scottish musician, artist and author whose works were well known in their day.
 He wrote the chorale for the wedding of the future King Edward VII and Queen Alexandra.
 Oliphant wrote the words to "Deck the Hall(s) with Boughs of Holly".
Christmas Day in the Morning (Decca DL 5428, 1952) is the first of several Christmas albums by the folk singer Burl Ives.
 Subtitled "Yuletide Folk Songs", this album includes seven traditional Christmas carols, from the well-known "What Child Is This?"
 to the little-known "Down in Yon Forest" and "The Seven Joys of Mary."
 "Jesous Ahatonia" is better known as the "Huron Carol."
 Ives released it as a single under the title "Indian Christmas Carol" (Decca 25585, 7 inch, 45 rpm).
The Ash Grove (Welsh: "Llwyn Onn" ) is a traditional Welsh folk song whose melody has been set to numerous sets of lyrics.
 The best-known version was written in English by Thomas Oliphant in the 19th century.
Boilo is a traditional Christmas or Yuletide drink in the Coal Region of northeastern and east central Pennsylvania.
In dulci jubilo ("In sweet rejoicing") is a traditional Christmas carol.
 In its original setting, the carol is a macaronic text of German and Latin dating from the Middle Ages.
 Subsequent translations into English, such as J.M. Neale's arrangement "Good Christian Men, Rejoice" have increased its popularity, and Robert Pearsall's 1837 macaronic translation is a mainstay of the Christmas Nine Lessons and Carols repertoire.
 J.S. Bach's chorale prelude based on the tune (BWV 729) is also a traditional postlude for Christmas services.
Margaret Oliphant Wilson Oliphant (née Margaret Oliphant Wilson) (4 April 1828 – 25 June 1897), was a Scottish novelist and historical writer, who usually wrote as Mrs. Oliphant.
 Her fictional works encompass "domestic realism, the historical novel and tales of the supernatural".

Question: Scottish musician, Thomas Oliphant, wrote the words to what traditional Christmas, yuletide, and New Years' carol?
Answer: Deck the Halls