"Blend of Bray and Lynn"
The name Braylynn is commonly a unisex name.
Braylynn is a modern American formation built from the element Bray, which also appears in names such as Brayden and Braylon, and the suffix Lynn. Names of this -lynn pattern entered United States birth records in the 1990s, and Braylynn itself first appears there in 1997. It is not an established name in an older naming tradition, and no meaning is recorded for it beyond the elements it is built from.
The pronunciation of Braylynn is BRAY-lin.