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).
Brody is now well below its former popularity. All-time it's been given to 93,849 U.S. babies, the 396th most common name by sound today, peaking at 7,041 in 2008, with 1,711 in 2025.
By sound, Brody also includes the spellings Brodie.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).