Worldwide, Shigero (Shigero ) is quite a rare boy's first name. The forename Shigero is characteristic of Eastern Asia, particularly Japan, where it is quite a rare male name.
Sigero
Ito, Takahashi, Kobayashi, Ishihara, Espinoza, Nakagawa, Nakamura, Okamoto, Matsuda, Harada, Sebata, Suzuki, Isoda, Kondo, Karno, Ueda, Fuke, Endo, Kato, Ura, Takeshita, and Fukushima
) is quite a rare boy's first name. The forename Shigero is characteristic of Eastern Asia, particularly Japan, where it is quite a rare male name.