Sylvia Tilly
- Full Name: Sylvia Tilly
- Born: Autumn 2232 (DIS: "New Eden"; DIS Novel: The Way to the Stars)
- Was in Musk Junior High class of 2247 at age 14 per "New Eden", thus in summer; birthday in Autumn per The Way to the Stars
- Species: Human
- Gender: Female
- Father: Iain Tilly
- Mother: Siobhan Tilly
- 2248: Student, Talaris IV academy (DIS Novel: The Way to the Stars)
- Cadet, Starfleet Academy
- By 2256: Cadet, field assignment; USS Discovery (DIS)