|Notable family members|
Extant in female line; possibly extant (or extinct) in Male line.
- Marcus Flint — a Slytherin student who attended Hogwarts during Harry Potter's first, second and third years. Marcus was also the captain of the Slytherin Quidditch team.
- Ursula Black née Flint — wife of Phineas Nigellus Black
- Flint is a type of hard sedimentary rock, often used for tools in the Stone Age and to make fire, since it produces sparks when struck.