Trinity is a moderately popular girls' name in United States, ranking #348 in 2023 with 875 recorded births. The name reached its all-time peak in 2004 with 5,638 births ranking #48. Since 1996, the popularity has increased by 164.4%. In 2023, approximately 1 in every 1,832 girls born was named Trinity. FALLING Recent data shows the name is currently falling.