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).
Jett
Jett has been climbing in recent years. All-time it's been given to 30,623 U.S. babies, the 358th most common name by sound today, peaking at 2,407 in 2024, with 2,363 in 2025.
By sound, Jett also includes the spellings Jet.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).