Ria is a moderately popular girls' name in England & Wales, ranking #284 in 1998 with 132 recorded births. The name reached its all-time peak in 2005 with 253 births ranking #194. Since 1996, the popularity has increased by 11.9%. In 1998, approximately 1 in every 2,191 girls born was named Ria. FALLING Recent data shows the name is currently falling.