Seanna is a distinctive girls' name in United States, ranking #2143 in 2007 with 94 recorded births. The name reached its all-time peak in 2006 with 125 births ranking #1689. Since 1996, the popularity has increased by 213.3%. In 2007, approximately 1 in every 20,452 girls born was named Seanna. FALLING Recent data shows the name is currently falling.