Sierria is a distinctive girls' name in United States, ranking #9384 in 1999 with 10 recorded births. The name reached its all-time peak in 2000 with 20 births ranking #5670. Since 1996, the popularity has decreased by 16.7%. In 1999, approximately 1 in every 177,378 girls born was named Sierria. FALLING Recent data shows the name is currently falling.