Brier clearing or high meadow
Brylie is a modern American invention, likely created by blending the traditional surname-name Brier with the popular 'lie' suffix. It is often interpreted as a variation of Briley, which stems from Old English words meaning a clearing of briers or a high meadow.
Less common today
Brylie isn't in the latest US Top 1000. It last peaked at #1,447 in 2010.
US births per 5-year period, 1990βpresent (SSA data).