From timeless crooners to modern holiday staples, these are the Christmas singles that have sold the most copies in the U.S.

Dean Martin and Frank Sinatra sing during the taping of "The Dean Martin Variety Show" circa 1967 in Hollywood, California. The list spans decades, beginning with 19th-century carols and leading into ...

As the holidays approach, Christmas songs have been climbing back up the charts. As of Dec. 9, 13 of the top 20 on ...