In all the world, Kościański (Kościański ) is an extremely rare unknown gender first name. Much more prevalently, Kościański is the last name as well as the forename.
Koscianski
Karol, Arkadiusz, Sebastian, Wojciech, Jarosław, Mirosław, Dominik, Bartosz, Andrzej, Hubert, Tomasz, Damian, Robert, Patryk, Kacper, Bartek, Adrian, Marcin, Tomek, Jakub, Dawid, Roman, Piotr, Paweł, Bartłomiej, and Remigiusz
) is an extremely rare unknown gender first name. Much more prevalently, Kościański is the last name as well as the forename.