Meaning and name origin
Amarantha \a-maran-tha, am(a)-ra-ntha\ as a girl's name is of Greek origin, and the meaning of Amarantha is "unfading". Also the name of both a mythical and a real plant. The mythical one was supposed to be immortal. Amarante is the French form.
For more information, see also the related girl name Amantha.
Amarantha is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Amarantha for girls. Amarantha has not been ranked in the Top 1000/100 so far. (2014 statistics).