Cognomen 泰西 (泰西 
, Gortner 
) , all around the world, is a rare last name. The cognomen 泰西 is habitual in Germany, where it is a rare surname, the United States, where it is a very rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and China. Very seldom, 泰西 is the forename as well as the last name.