Petra is a distinctive girls' name in England & Wales, ranking #1013 in 2016 with 35 recorded births. The name reached its all-time peak in 2019 with 40 births ranking #897. Since 1996, the popularity has increased by 337.5%. In 2016, approximately 1 in every 8,775 girls born was named Petra. FALLING Recent data shows the name is currently falling.