Trinidad is a distinctive girls' name in United States, ranking #4799 in 2006 with 30 recorded births. The name reached its all-time peak in 2006 with 30 births ranking #4799. Since 1996, the popularity has increased by 42.9%. In 2006, approximately 1 in every 63,369 girls born was named Trinidad. FALLING Recent data shows the name is currently falling.