Meaning: Merit, honor

Gender: Male

Pronunciation: Ee-Sah-Oh

Language origin of Isao: Japanese

Regional origin of Isao: East Asia

Languages Isao is most common: Japanese

Religions Isao is most common: Shinto, Buddhism

First letter and sound: I, Ee

Last letter and sound: O, oh

Alternative Spelling: Iseo, Isuo, Isio