Tasnia is a distinctive girls' name in England & Wales, ranking #1815 in 2010 with 15 recorded births. The name reached its all-time peak in 1998 with 30 births ranking #758. Since 1996, the popularity has decreased by 34.8%. In 2010, approximately 1 in every 21,402 girls born was named Tasnia. FALLING Recent data shows the name is currently falling.