Jamacia is a distinctive girls' name in United States, ranking #11868 in 1999 with 7 recorded births. The name reached its all-time peak in 2001 with 10 births ranking #9669. Since 1996, the popularity has increased by 16.7%. In 1999, approximately 1 in every 253,397 girls born was named Jamacia. FALLING Recent data shows the name is currently falling.