Seanna is a distinctive girls' name in United States, ranking #2491 in 1998 with 56 recorded births. The name reached its all-time peak in 2006 with 125 births ranking #1689. Since 1996, the popularity has increased by 86.7%. In 1998, approximately 1 in every 31,552 girls born was named Seanna. FALLING Recent data shows the name is currently falling.