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).
Cash
Cash climbed for decades and has been a steadily popular name ever since. All-time it's been given to 45,489 U.S. babies, the 303rd most common name by sound today, peaking at 2,925 in 2021, with 2,394 in 2025.
By sound, Cash also includes the spellings Kash.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).