Onya is a distinctive girls' name in United States, ranking #10241 in 2003 with 10 recorded births. The name reached its all-time peak in 2009 with 11 births ranking #10483. Since 1996, the popularity has increased by 42.9%. In 2003, approximately 1 in every 182,705 girls born was named Onya. FALLING Recent data shows the name is currently falling.