Globally, Iboshi (Iboshi 
) is an extremely rare unknown gender first name. Much more frequently, Iboshi is the last name as well as the forename.
Man, Mayke, Masuo, Morio, Mikio, Sally, Sadao, Shime, Shoji, Shozo, Sunny, Susan, Sumio, Seiji, Seiya, Allan, Akira, Kaneo, Kayla, Kazuo, Kachi, Kosei, Maria, Yuji, Iwao, Eiyu, Sho, Ken, Kun, Pat, Rod, Lee, Iwa, Alan, Akio, Kaio, Kenji, Koji, Kyle, Ronn, Gaku, Luiz, Jake, Jose, Josh, Taty, Toru, Eini, Kent, and Kesao