Joannah is a distinctive girls' name in United States, ranking #7547 in 2018 with 15 recorded births. The name reached its all-time peak in 2018 with 15 births ranking #7547. Since 1996, the popularity has increased by 114.3%. In 2018, approximately 1 in every 113,362 girls born was named Joannah. FALLING Recent data shows the name is currently falling.