Meaning and name origin
Alonza \a-lon-za, al(o)-nza\ as a girl's name is of Old German origin, and the meaning of Alonza is "ready for battle". Alonza is a variant of Alfonsine (Old German): feminine of Alfonso. Also a variant of Alonsa (Old German).
Alonza is not a popular first name for females but a somewhat popular surname or last name for all people (#66081 out of 88799, Top 74%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Alonza for girls (2014 statistics).