Joi is a distinctive girls' name in United States, ranking #2120 in 2014 with 91 recorded births. The name reached its all-time peak in 2001 with 119 births ranking #1564. Since 1996, the popularity has increased by 19.7%. In 2014, approximately 1 in every 19,626 girls born was named Joi. FALLING Recent data shows the name is currently falling.