Joi is a distinctive girls' name in United States, ranking #1564 in 2001 with 119 recorded births. This places Joi in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 119 births ranking #1564. Since 1996, the popularity has increased by 56.6%. In 2001, approximately 1 in every 15,131 girls born was named Joi. FALLING Recent data shows the name is currently falling.