Lass
The feminine gender of "lad" is "lass."
femine gender
The opposite gender of lad is lass.
"Lad" is a term used to refer to a young boy or man, so the gender associated with "lad" is male.
A lad is a young boy, a male child.
The noun for a girl is lass. The corresponding noun for a boy is lad.
The masculine gender equivalent of "lass" is "lad."
The masculine gender equivalent for "lass" is "lad."
A lad is a young boy, a male child.
The opposite gender of "man" is "woman." However, "lad" specifically refers to a young boy or young man. The opposite of "lad" would be "lass," which is a term used to refer to a young girl or young woman.
English does not have masculine and feminine, so this a moot question.
The female equivalent would be "councilwomen", but I'd suggest that you use the generic "councillors" as a non-gender-specific alternative.