Throughout the world, Siaulys (Siaulys 
) is an extremely rare unknown gender first name. Much more frequently, Siaulys is the last name as well as the forename.
Mr, Antonio, Anthony, Antanas, Arvydas, Aurimas, Kestutis, Povilas, Ramunas, Daniela, Dainius, Luciana, Juranas, Tatiana, Natalia, Nerijus, Edvinas, Egidijus, Martynas, Siauliene, Albertas, Algirdas, Andrius, Albinas, Sarunas, Michael, Ms, Ed, Ted, Mara, Alda, Lara, Aidas, Romas, Linas, Jonas, Kayleigh, Julia, Vytis, Marius, Mantas, Monica, Petras, Darius, Gisele, Julius, Victor, Vladas, Tomas, and Deividas