Chiyo is a distinctive girls' name in United States, ranking #18216 in 2007 with 5 recorded births. This places Chiyo in the bottom 11% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 6 births ranking #15653. In 2007, approximately 1 in every 384,490 girls born was named Chiyo. STABLE Recent data shows the name is currently stable.