Globally, Siusan (Siusan 
) is a very rare largely female, but infrequently boy's forename. The first name Siusan is habitual in Northern America, particularly the United States, where it is an extremely rare girly name. Very seldom, Siusan is the last name as well as the forename.
Li, Dunkle, Gelatt, Geddes, Irvine, Naccari, Herrera, Monteiro, Sinclair, Albornoz, Perrella, Goethals, Lamonica, Hamilton, Orlovsky, Oliveira, Rimmer, Mackenzie, Palmer, Heath, Cia, Law, Lee, Oei, Choi, Bell, Boyd, Tang, Shoer, Costa, Rocha, Rhyne, Durst, Etaki, Eaddy, Kenney, and Winchester