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).
Santana climbed for decades and has been a steadily popular name ever since. All-time it's been given to 13,726 U.S. babies, the 1,108th most common name by sound today, peaking at 654 in 2021, with 377 in 2025.
Santana has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).