Joi is a distinctive girls' name in United States, ranking #2278 in 2006 with 84 recorded births. The name reached its all-time peak in 2001 with 119 births ranking #1564. Since 1996, the popularity has increased by 10.5%. In 2006, approximately 1 in every 22,632 girls born was named Joi. FALLING Recent data shows the name is currently falling.