Lorena is a German, English, Croatian, Italian, Portuguese and Spanish feminine given name with different origins.
[1] As a Croatian, Italian, Portuguese and Spanish name, it is derived from the Latin Laurentius.
Webster and Joseph Philbrick Webster, who are said to have derived the name from an anagram of the name Lenore, a character in Edgar Allan Poe's 1845 poem The Raven.
[1] In Margaret Mitchell's 1936 novel Gone with the Wind, Scarlett O'Hara's daughter with Frank Kennedy was named Ella Lorena in reference to the song Lorena.
Frank G. Slaughter wrote a book called Lorena in which the character was also called Reeny hence the alternative pronunciation of Lor ee na.