In the world, Siklos (Siklos 
) is an extremely rare masculine forename. Much more prevalently, Siklos is the last name as well as the forename.
Mr, Robert, Joseph, Thomas, Eugene, Hannah, Oszkar, Zoltan, Melinda, Richard, Georgia, Gregory, Tabitha, Matthias, Madeline, Jennifer, Julianna, Alexandra, Csanad, Andras, Andrew, Morgan, Ms, Sue, Rob, Tom, Jane, Nahi, Erik, Csaba, Bernadett, Peter, Doris, Gabor, Laine, Linda, Jenny, Jenoe, Judit, Nancy, Danny, and Jacquelyn