Joannah is a distinctive girls' name in United States, ranking #10488 in 2001 with 9 recorded births. The name reached its all-time peak in 2018 with 15 births ranking #7547. Since 1996, the popularity has increased by 28.6%. In 2001, approximately 1 in every 200,062 girls born was named Joannah. FALLING Recent data shows the name is currently falling.