Little raven or prince
A modern spelling variant of the Irish name Brennan, derived from the Gaelic 'BraonΓ‘n'. It traditionally signifies a 'little raven' or is associated with the word for prince or sorrow.
Less common today
Brenyn isn't in the latest US Top 1000. It last peaked at #6,591 in 2010.
US births per 5-year period, 1990βpresent (SSA data).