Dark-skinned or Moorish
Maurica is a feminine form related to Maurice or Maurus. It ultimately derives from the Latin name Maurus, which was used to describe individuals from the ancient region of Mauretania. While rare today, it follows the pattern of Latinate feminine endings common in the late 19th and early 20th centuries.
Less common today
Maurica isn't in the latest US Top 1000. It last peaked at #5,333 in 1992.
US births per 5-year period, 1990βpresent (SSA data).