Cynthia is a distinctive girls' name in England & Wales, ranking #2138 in 2025 with 13 recorded births. The name reached its all-time peak in 2012 with 23 births ranking #1387. Since 1996, the popularity has increased by 44.4%. In 2025, approximately 1 in every 19,483 girls born was named Cynthia. FALLING Recent data shows the name is currently falling.