Cobyn is a distinctive boys' name in United States, ranking #11176 in 2007 with 6 recorded births. This places Cobyn in the bottom 22% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 7 births ranking #9753. In 2007, approximately 1 in every 345,873 boys born was named Cobyn. STABLE Recent data shows the name is currently stable.