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).
Jude has climbed over the years and is holding near its high. All-time it's been given to 57,006 U.S. babies, the 325th most common name by sound today, peaking at 2,806 in 2015, with 2,477 in 2025.
Jude has no common alternate spellings by sound.