In the entire world, セイル (Sale 
, Sayle 
, Thayil 
) is a widespread predominantly male, but very infrequently female first name. The first name セイル is characteristic of Nigeria, where it is a common primarily male, but scarcely female name, Montenegro, where it is quite a rare male name, and Syria, where it is quite a rare predominantly female, but very seldom male name. In absolute terms, the name is most common in Nigeria, India, and Ethiopia. Also, セイル is the last name as well as the forename.