Ava

"My sister loved you. Say her name and beg for forgiveness."

– Maddox to Gabriel Lorca, 2257 ("Vaulting Ambition")

Ava was a female Terran in the mid-23rd century. She was killed during the rebellion of Lorca.

Deeming Lorca responsible for her death, her brother, Captain Maddox, tortured Lorca before being killed by the rebels. (DIS: "Vaulting Ambition")

This character was only mentioned in dialogue.

StarTrek.com identified Ava – no last name is given – as a cadet aboard the ISS Buran. She was a former lover of Lorca. [1]