How to read the band →
Solid line = floor (spellings that unambiguously belong to the group). Shaded band up to the dashed edge = ceiling (the most it could reach if every ambiguous spelling counted here).
Brynn
Brynn has been slowly declining from its former popularity. All-time it's been given to 41,781 U.S. babies, the 706th most common name by sound today, peaking at 2,146 in 2011, with 924 in 2025.
By sound, Brynn also includes the spellings Bryn, Brynne.
Rising