Leannah is a distinctive girls' name in United States, ranking #9416 in 2003 with 11 recorded births. The name reached its all-time peak in 2011 with 19 births ranking #6746. Since 1996, the popularity has increased by 83.3%. In 2003, approximately 1 in every 166,095 girls born was named Leannah. FALLING Recent data shows the name is currently falling.