Leannah is a distinctive girls' name in United States, ranking #12847 in 2001 with 7 recorded births. The name reached its all-time peak in 2011 with 19 births ranking #6746. Since 1996, the popularity has increased by 16.7%. In 2001, approximately 1 in every 257,223 girls born was named Leannah. FALLING Recent data shows the name is currently falling.