Caitlinn is a distinctive girls' name in United States, ranking #12706 in 1998 with 6 recorded births. The name reached its all-time peak in 2000 with 18 births ranking #5983. Since 1996, the popularity has decreased by 14.3%. In 1998, approximately 1 in every 294,482 girls born was named Caitlinn. STABLE Recent data shows the name is currently stable.