Land of the new house or descendant of Breasal
Breslyn is a modern American invention, likely created by blending the traditional Irish surname Breslin with the popular 'lyn' suffix. It may also be interpreted as a variation of the Gaelic name Breasal, which historically signifies 'strife' or 'valor'.
Less common today
Breslyn isn't in the latest US Top 1000. It last peaked at #5,016 in 2014.
US births per 5-year period, 1990βpresent (SSA data).