Caitriona is a distinctive girls' name in United States, ranking #18033 in 2008 with 5 recorded births. The name reached its all-time peak in 2018 with 17 births ranking #6852. Since 1996, the popularity has decreased by 37.5%. In 2008, approximately 1 in every 378,144 girls born was named Caitriona. FALLING Recent data shows the name is currently falling.