If "AB" was her last name before she married, then "AB" is her maiden name.
Anna Maria Mozart, maiden name Pertl.
What she shows interest in is what she is goddess of, or associated with. Moon, wilderness, wild animals, dance, mothers about to give birth, maiden girls before marriage.
It was her mothers maiden name (her name before she was married).
Her surname before marriage.
Your mother's maiden name is her last name (surname) before she married.
maiden name
She was Elizabeth Virginia Wallace before her marriage to Harry Truman,
Dandle.
Gretchen Ludwig was her mothers maiden name
Before her first marriage Kathy's maiden name was Daily. During Season's five episode "Make Room For Father-in-Law", her father calls himself Mr. Daily.
Their surname before they were married (and therefore took husbands surname, assuming they were married and chose to do so). Your mother's maiden name is her surname before she got married for the first time and took her husband's surname.
She never was married. Keller is her only (maiden) last name.