Petra is a distinctive girls' name in England & Wales, ranking #2138 in 2025 with 13 recorded births. The name reached its all-time peak in 2019 with 40 births ranking #897. Since 1996, the popularity has increased by 62.5%. In 2025, approximately 1 in every 19,483 girls born was named Petra. FALLING Recent data shows the name is currently falling.