Family name เฟย์ (Fe 
, Fay , Faie 
) , in the entire world, is a common cognomen. The last name เฟย์ is habitual in Ireland, where it is quite a common surname, Guadeloupe, and Spain, where it is quite a rare surname. Measured by absolute frequency, it is commonest in China, the United States, and Indonesia. Also, เฟย์ is the forename as well as the last name.