Leannah is a distinctive girls' name in United States, ranking #11232 in 2004 with 9 recorded births. The name reached its all-time peak in 2011 with 19 births ranking #6746. Since 1996, the popularity has increased by 50.0%. In 2004, approximately 1 in every 204,013 girls born was named Leannah. FALLING Recent data shows the name is currently falling.