In the world, 吉芬 (吉芬 
, Giffin 
, Giffen 
) is quite a rare mostly girly, but uncommonly boy's first name. The first name 吉芬 is habitual in China, where it is a rare largely female, but infrequently masculine name, and the United States, where it is an extremely rare predominantly male, but very infrequently female name. Likewise, 吉芬 is the last name as well as the forename.