Joi is a distinctive girls' name in United States, ranking #1806 in 2003 with 104 recorded births. The name reached its all-time peak in 2001 with 119 births ranking #1564. Since 1996, the popularity has increased by 36.8%. In 2003, approximately 1 in every 17,568 girls born was named Joi. FALLING Recent data shows the name is currently falling.