Iyonna is a distinctive girls' name in United States, ranking #3372 in 1998 with 36 recorded births. This places Iyonna in the top 20% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 103 births ranking #1882. In 1998, approximately 1 in every 49,080 girls born was named Iyonna. FALLING Recent data shows the name is currently falling.