Caitriona is a distinctive girls' name in United States, ranking #6864 in 2000 with 15 recorded births. The name reached its all-time peak in 2018 with 17 births ranking #6852. Since 1996, the popularity has increased by 87.5%. In 2000, approximately 1 in every 121,065 girls born was named Caitriona. FALLING Recent data shows the name is currently falling.