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).
Esteban
Esteban has stayed fairly steady in American naming for generations. All-time it's been given to 35,623 U.S. babies, the 871st most common name by sound today, peaking at 1,024 in 2005, with 673 in 2025.
Esteban has no common alternate spellings by sound.
Rising