1669–1670) was an English playwright and the first woman to have a play professionally produced in London.

[1] Boothby is mainly remembered for her tragicomedy Marcelia, or, The Treacherous Friend (licensed 1669; published 1670).

[2] The published play is dedicated to Lady Mary Yate, of Harvington Hall in Worcestershire, whom she addresses as her kinswoman.

"[1] The plot involves romantic difficulties and deceit in love precipitated by a king who abandons his lover to pursue the heroine.

"[1] Boothby's only other known work is a poem, addressed to her cousin Anne Somerset (née Aston), which laments the failure of her play,[1] though one scholar writes that the play went off "with some success.