Joannah is a distinctive girls' name in United States, ranking #16642 in 2002 with 5 recorded births. The name reached its all-time peak in 2018 with 15 births ranking #7547. Since 1996, the popularity has decreased by 28.6%. In 2002, approximately 1 in every 359,364 girls born was named Joannah. FALLING Recent data shows the name is currently falling.