Caulin is a distinctive boys' name in United States, ranking #4481 in 1997 with 14 recorded births. This places Caulin in the top 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 23 births ranking #3686. In 1997, approximately 1 in every 134,649 boys born was named Caulin. FALLING Recent data shows the name is currently falling.