Modern combination of Bray and Lynn
Braylinn is a contemporary American invention, likely created by blending the popular prefix 'Bray' (often associated with the Irish surname Braden or the English word for a hillside) with the classic suffix 'Lynn', meaning lake. It follows the modern trend of adding a double 'n' for a more decorative appearance.
Less common today
Braylinn isn't in the latest US Top 1000. It last peaked at #7,113 in 2011.
US births per 5-year period, 1990βpresent (SSA data).