She was the daughter of Arthur St Leger, 1st Viscount Doneraile, of Doneraile Court, County Cork, Ireland. She was married in 1713 to Richard Aldworth, Esq., in Newmarket. During the duration of the Hon. Elizabeth Aldworth—‘Whenever a benefit was given at the theaters in Dublin or Cork for the Masonic Female Orphan Asylum, she walked at the head of the Freemasons with her apron and other insignia of Freemasonary, and sat in the front row of the stage box. The house was always crowded on these occasions. Her portrait is in the lodge-room of almost every lodge of Ireland.’