Siera is a distinctive girls' name in United States, ranking #12091 in 2022 with 8 recorded births. The name reached its all-time peak in 1998 with 150 births ranking #1225. Since 1996, the popularity has decreased by 94.6%. In 2022, approximately 1 in every 204,845 girls born was named Siera. FALLING Recent data shows the name is currently falling.