Joannah is a distinctive girls' name in United States, ranking #9196 in 2015 with 12 recorded births. The name reached its all-time peak in 2018 with 15 births ranking #7547. Since 1996, the popularity has increased by 71.4%. In 2015, approximately 1 in every 148,721 girls born was named Joannah. FALLING Recent data shows the name is currently falling.