Terra Part's birth name is Melissa Anne Lawrence.
Terra Marine's birth name is Terra Marine Luebsen.
Terra Dawn's birth name is Terra Layton.
Scott Terra's birth name is Scott Weston Terra.
Terra McNair's birth name is Terra Deva McNair.
Terra James's birth name is Terra Lynn James.
Terra Jole's birth name is Terra Jol Odmark.
Ana Terra's birth name is Ana Maria Terra Borba Caymmi.
Stefano Terra's birth name is Giulio Tavernari.
Terra Vnesa's birth name is Terra Vanessa Kowalyk.
terra-xehanort or simply xexanort :)
For the most part Terra is known to be a girl name.
Terra is one of the main protagonists in Kingdom Hearts Birth by Sleep.