Joi is a distinctive girls' name in United States, ranking #1572 in 1998 with 105 recorded births. The name reached its all-time peak in 2001 with 119 births ranking #1564. Since 1996, the popularity has increased by 38.2%. In 1998, approximately 1 in every 16,828 girls born was named Joi. FALLING Recent data shows the name is currently falling.