Trinity is a moderately popular girls' name in United States, ranking #428 in 2025 with 725 recorded births. The name reached its all-time peak in 2004 with 5,638 births ranking #48. Since 1996, the popularity has increased by 119.0%. In 2025, approximately 1 in every 2,217 girls born was named Trinity. FALLING Recent data shows the name is currently falling.
Trinity is a strong meaning-led name drawn from the Christian term for threefold divine unity. It feels polished, modern, and unmistakably recognisable.
The name rose through the popularity of virtue and spiritually resonant word names, especially those that sounded contemporary rather than old-fashioned. Its structure helped it blend easily with mainstream girls' names.