Kathya is a distinctive girls' name in United States, ranking #3995 in 2005 with 36 recorded births. The name reached its all-time peak in 1996 with 51 births ranking #2491. Since 1996, the popularity has decreased by 29.4%. In 2005, approximately 1 in every 51,325 girls born was named Kathya. FALLING Recent data shows the name is currently falling.