Freckled or speckled lake
A modern American invention likely combining the Irish surname Breck, meaning 'freckled,' with the popular 'lyn' suffix. It may also be interpreted as a variation of the Scottish place name Brechin or a blend of Breck and Lynn, suggesting a 'speckled lake.'
Less common today
Brecklyn isn't in the latest US Top 1000. It last peaked at #3,176 in 2016.
US births per 5-year period, 1990βpresent (SSA data).