Combination of Tre and Lynn
A modern American invention, likely created by blending the prefix 'Tre-' (often meaning three or derived from names like Trevor) with the suffix '-lynn' (meaning lake). It follows the 20th-century trend of creating melodic, rhythmic names by joining established name elements.
Less common today
Trelynn isn't in the latest US Top 1000. It last peaked at #10,759 in 2010.
US births per 5-year period, 1990βpresent (SSA data).