Modern blend, likely inspired by the country Malaysia
Marlaysia is a modern American invention, likely created by blending the prefix 'Mar-' (found in names like Mary or Marlene) with the name of the Southeast Asian country Malaysia. It follows a 20th-century trend of using place names or phonetic variations of them as unique feminine given names.
Less common today
Marlaysia isn't in the latest US Top 1000. It last peaked at #6,367 in 2015.
US births per 5-year period, 1990βpresent (SSA data).