High or tall
In Japanese, Kao is often a feminine name meaning 'face' or 'countenance,' though its meaning varies significantly based on the kanji used. In Hmong culture, it is a common name meaning 'high' or 'tall.' It is also found as a surname in Chinese and Thai contexts.
Less common today
Kao isn't in the latest US Top 1000. It last peaked at #2,350 in 1992.
US births per 5-year period, 1990βpresent (SSA data).
A character in the video game series Β· Kao the Kangaroo