The daughter of a London physician, Sarah Fyge published The Female Advocate when in her teens. She was briefly married to Edward Field, an attorney; after being widowed she married the Rev. Thomas Egerton, a wealthy widower with whom she was quickly involved in a divorce suit. She also quarreled with Mary Delariviere Manley, who left an unflattering portrait of her in The New Atlantis (1709).
The female advocate. 1686.
Poems on several occasions. 1703.