Quoc is a distinctive boys' name in United States, ranking #9882 in 2005 with 7 recorded births. This places Quoc in the bottom 26% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 8 births ranking #8017. In 2005, approximately 1 in every 285,307 boys born was named Quoc. STABLE Recent data shows the name is currently stable.