Caitlinn is a distinctive girls' name in United States, ranking #12641 in 2003 with 7 recorded births. This places Caitlinn in the bottom 31% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 18 births ranking #5983. In 2003, approximately 1 in every 261,007 girls born was named Caitlinn. STABLE Recent data shows the name is currently stable.