Greydon is a distinctive boys' name in United States, ranking #7688 in 2011 with 10 recorded births. This places Greydon in the bottom 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 25 births ranking #4070. In 2011, approximately 1 in every 189,899 boys born was named Greydon. STABLE Recent data shows the name is currently stable.