Caydon is a distinctive boys' name in United States, ranking #5974 in 2000 with 11 recorded births. This places Caydon in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 57 births ranking #2225. In 2000, approximately 1 in every 178,539 boys born was named Caydon. FALLING Recent data shows the name is currently falling.