Family name Pierre-Sebastien (Pierre-Sebastien 
) , all over the world, is an extremely rare last name. Much more frequently, Pierre-Sebastien is the forename as well as the last name. Parts of the name also exists independently as a first name Pierre, and a first name Sebastien.
Herve, Belisle, Bouvart, Niyigaruye, and Cabrejo-Jones