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).
Brooke
Brooke has been slowly declining from its former popularity. All-time it's been given to 214,542 U.S. babies, the 637th most common name by sound today, peaking at 7,101 in 1996, with 1,019 in 2025.
By sound, Brooke also includes the spellings Brook.
Rising