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).
Jesus was more common in the past and has since settled at a lower, steady level. All-time it's been given to 246,966 U.S. babies, the 369th most common name by sound today, peaking at 6,508 in 2004, with 2,084 in 2025.
Jesus has no common alternate spellings by sound.