Modern invented name, likely a combination of Ke- and Asia
Keyasia is a contemporary American name created by combining the popular prefix 'Ke-' with the name of the continent 'Asia'. It emerged in the late 20th century as part of a trend of rhythmic, multi-syllabic names within African American communities. The name Asia itself refers to the eastern continent, originally derived from the Greek word for 'sunrise'.
Less common today
Keyasia isn't in the latest US Top 1000. It last peaked at #4,275 in 2007.
US births per 5-year period, 1990βpresent (SSA data).