Tania is a moderately popular girls' name in England & Wales, ranking #478 in 2003 with 68 recorded births. The name reached its all-time peak in 2003 with 68 births ranking #478. Since 1996, the popularity has increased by 30.8%. In 2003, approximately 1 in every 4,098 girls born was named Tania. FALLING Recent data shows the name is currently falling.