Modern invention combining elements meaning hill and lake.
Breighlyn is a contemporary American coinage. It likely combines the Irish-derived 'Breigh' (from BrΓ, meaning hill or high) with the popular English suffix 'lyn' (derived from the Welsh 'llyn', meaning lake).
Less common today
Breighlyn isn't in the latest US Top 1000. It last peaked at #10,031 in 2016.
US births per 5-year period, 1990βpresent (SSA data).