Siera is a distinctive girls' name in United States, ranking #1681 in 2002 with 110 recorded births. The name reached its all-time peak in 1998 with 150 births ranking #1225. Since 1996, the popularity has decreased by 26.2%. In 2002, approximately 1 in every 16,335 girls born was named Siera. FALLING Recent data shows the name is currently falling.