Ria is a moderately popular girls' name in England & Wales, ranking #252 in 1999 with 159 recorded births. The name reached its all-time peak in 2005 with 253 births ranking #194. Since 1996, the popularity has increased by 34.7%. In 1999, approximately 1 in every 1,772 girls born was named Ria. FALLING Recent data shows the name is currently falling.