Son of the brown-haired one
A modern American spelling variation of the English surname Bronson. It traditionally indicates 'son of Brown,' referring to the hair color, complexion, or clothing of the father.
Less common today
Bronsyn isn't in the latest US Top 1000. It last peaked at #6,674 in 2019.
US births per 5-year period, 1990βpresent (SSA data).