Montanna is a distinctive girls' name in United States, ranking #18695 in 2011 with 5 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1813. Since 1996, the popularity has decreased by 88.4%. In 2011, approximately 1 in every 351,761 girls born was named Montanna. RISING Recent data shows the name is currently rising.