Joannah is a distinctive girls' name in United States, ranking #13136 in 2008 with 8 recorded births. The name reached its all-time peak in 2018 with 15 births ranking #7547. Since 1996, the popularity has increased by 14.3%. In 2008, approximately 1 in every 236,340 girls born was named Joannah. FALLING Recent data shows the name is currently falling.