What does Twain mean?
Twain \t-wain\ as a boys' name is of Middle English origin, and the meaning of Twain is "divided in two". Made famous by American writer Mark Twain, who got his name from the calls of river boatmen. His original name was Samuel Clemens.
Twain is an uncommonly occurring first name for men. Twain is an uncommon last name too for both adults and children. (2000 U.S. Census)
Shown below is the birth name popularity of Twain for boys. Twain has yet to be recorded in the list so far. (Top 1000 Birth Names Records, 2014)