Shawnna is a distinctive girls' name in United States, ranking #8895 in 2008 with 14 recorded births. The name reached its all-time peak in 1996 with 40 births ranking #3018. Since 1996, the popularity has decreased by 65.0%. In 2008, approximately 1 in every 135,051 girls born was named Shawnna. FALLING Recent data shows the name is currently falling.