Trinity is a moderately popular girls' name in United States, ranking #407 in 2024 with 781 recorded births. The name reached its all-time peak in 2004 with 5,638 births ranking #48. Since 1996, the popularity has increased by 136.0%. In 2024, approximately 1 in every 2,066 girls born was named Trinity. FALLING Recent data shows the name is currently falling.