Seanna is a distinctive girls' name in United States, ranking #3087 in 2012 with 55 recorded births. The name reached its all-time peak in 2006 with 125 births ranking #1689. Since 1996, the popularity has increased by 83.3%. In 2012, approximately 1 in every 32,013 girls born was named Seanna. FALLING Recent data shows the name is currently falling.