Sionna is a distinctive girls' name in United States, ranking #18859 in 2014 with 5 recorded births. This places Sionna in the bottom 2% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 7 births ranking #15181. In 2014, approximately 1 in every 357,187 girls born was named Sionna. RISING Recent data shows the name is currently rising.