Meaning and name origin
Barnum \b(a)-rnum, bar-num\ as a boy's name is of Old English origin. Possibly derived from "Baron's home". In America, inseparable from Phineas T. Barnum, founder of Barnum & Bailey's circus and one of America's great showmen.
Barnum has 1 variant form: Barnham.
Barnum is not a popular first name for males but a very popular surname or last name for all people (#5424 out of 88799, Top 6%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Barnum for boys. Barnum has not been ranked in the Top 1000/100 so far. (2014 statistics).
A suggested similar baby name is Farnum. Like Barnum, this name is not commonly used.