Seanna is a distinctive girls' name in United States, ranking #2250 in 1999 with 67 recorded births. The name reached its all-time peak in 2006 with 125 births ranking #1689. Since 1996, the popularity has increased by 123.3%. In 1999, approximately 1 in every 26,474 girls born was named Seanna. FALLING Recent data shows the name is currently falling.