Leannah is a distinctive girls' name in United States, ranking #8820 in 2007 with 14 recorded births. The name reached its all-time peak in 2011 with 19 births ranking #6746. Since 1996, the popularity has increased by 133.3%. In 2007, approximately 1 in every 137,318 girls born was named Leannah. FALLING Recent data shows the name is currently falling.