Seanna is a distinctive girls' name in United States, ranking #1834 in 2005 with 107 recorded births. The name reached its all-time peak in 2006 with 125 births ranking #1689. Since 1996, the popularity has increased by 256.7%. In 2005, approximately 1 in every 17,268 girls born was named Seanna. FALLING Recent data shows the name is currently falling.