Caitrin is a distinctive girls' name in United States, ranking #9156 in 2003 with 11 recorded births. The name reached its all-time peak in 2005 with 17 births ranking #6881. Since 1996, the popularity has decreased by 31.3%. In 2003, approximately 1 in every 166,095 girls born was named Caitrin. FALLING Recent data shows the name is currently falling.