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).
Forrest
Forrest has been climbing in recent years. All-time it's been given to 73,074 U.S. babies, the 585th most common name by sound today, peaking at 1,660 in 1994, with 1,218 in 2025.
By sound, Forrest also includes the spellings Forest.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).