Achaia is a distinctive girls' name in United States, ranking #13533 in 2001 with 6 recorded births. This places Achaia in the bottom 25% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 8 births ranking #12285. In 2001, approximately 1 in every 300,093 girls born was named Achaia. RISING Recent data shows the name is currently rising.