The name Elwilda means Elf Battle and is of Scandinavian origin. Elwilda is a name that's been used primarily by parents who are considering baby names for girls.
From the Norse name Alfhildr which means "Elf Battle." In Norse mythology, Alfhild was a young girl who disguised herself as
a warrior in order to avoid marriage to the king, Alf. Based on the name of a female Scandinavian pirate, Alfhild. Other variations include Awilda or Alwilda.