Noble or of a noble kind
Alacia is a modern elaboration of the name Alice or Alicia, which ultimately derives from the Germanic name Adalheidis. It carries the classic meaning of nobility and high status. While rare, it follows the popular trend of adding soft vowel endings to traditional roots.
Less common today
Alacia isn't in the latest US Top 1000. It last peaked at #4,158 in 1997.
US births per 5-year period, 1990βpresent (SSA data).