Rianna is a moderately popular girls' name in England & Wales, ranking #459 in 2005 with 80 recorded births. The name reached its all-time peak in 2003 with 91 births ranking #398. Since 1996, the popularity has decreased by 11.1%. In 2005, approximately 1 in every 3,603 girls born was named Rianna. RISING Recent data shows the name is currently rising.