Onesty is a distinctive girls' name in United States, ranking #18461 in 2005 with 5 recorded births. This places Onesty in the bottom 4% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 12 births ranking #9753. In 2005, approximately 1 in every 369,540 girls born was named Onesty. FALLING Recent data shows the name is currently falling.