Modern invented name, likely a combination of Z- and Asia
Zyasia is a contemporary American creation. It follows the 21st-century trend of blending popular prefixes like 'Zy-' with established names or place-names like 'Asia', which itself refers to the continent or is derived from the Greek word for 'sunrise'.
Less common today
Zyasia isn't in the latest US Top 1000. It last peaked at #3,372 in 2007.
US births per 5-year period, 1990βpresent (SSA data).