Rianna is a moderately popular girls' name in England & Wales, ranking #401 in 1998 with 78 recorded births. The name reached its all-time peak in 2003 with 91 births ranking #398. Since 1996, the popularity has decreased by 13.3%. In 1998, approximately 1 in every 3,707 girls born was named Rianna. RISING Recent data shows the name is currently rising.