Mark Twain's first name was Samuel. His full name was Samuel Longhorne Clemens.
Shania Twain
Susy Clemens, Mark Twains favored daughter.
Samuel Langhorne Clemens
The real name of the American author Mark Twain was Samuel Langhorne Clemens (1835 - 1910).
Mark Zane's birth name is Mark Zicari.
Mark Twain's pseudonym was his pen name, as an American writer and humorist, Samuel Langhorne Clemens, is better known by the pen name Mark Twain.
Magnus Mark's birth name is Bo Magnus Mark.
Brown Mark's birth name is Mark Brown.
Mark Lamarr's birth name is Jones, Mark.
Mark Simich's birth name is Mark Simovski.
Mark Rounthwaite's birth name is Mark Rounthwaite.