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).
Jenna
Jenna has been slowly declining from its former popularity. All-time it's been given to 154,989 U.S. babies, the 1,087th most common name by sound today, peaking at 6,600 in 1985, with 450 in 2025.
By sound, Jenna also includes the spellings Jennah, Genna.
Rising