Seanna is a distinctive girls' name in United States, ranking #2535 in 2000 with 60 recorded births. This places Seanna in the top 14% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 125 births ranking #1689. Since 1996, the popularity has increased by 100.0%. In 2000, approximately 1 in every 30,266 girls born was named Seanna. FALLING Recent data shows the name is currently falling.