The triad; three in one
A modern spelling variation of Trinity, referring to the Christian doctrine of the Holy Trinity. It signifies three persons in one God: the Father, the Son, and the Holy Spirit. The use of the 'y' replaces the 'i' to create a more unique, contemporary aesthetic.
Less common today
Trynity isn't in the latest US Top 1000. It last peaked at #3,884 in 2000.
US births per 5-year period, 1990βpresent (SSA data).