US Popularity Rank: 11480

Origin: Japanese

Meaning: Achievement, meritorious, brave

This name has a lot of merit! Isao is an original masculine moniker of Japanese origin. Depending on the particular kanji characters used to write this name in Japanese, the name can have a variety of meanings, including “achievement,” “meritorious,” and “brave.” All of these powerful definitions are sure to inspire your little champ to always do and be their best. Isao is not only a meaningful choice, but an enduring one. This name was particularly popular during the Shōwa era in Japanese history, from the mid-1920s to the late 1980s, and is still around today.