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).
Hudson
Hudson is one of the fastest-rising names in America right now. All-time it's been given to 116,169 U.S. babies, the 45th most common name by sound today, at an all-time high of 8,666 in 2025.
Hudson has no common alternate spellings by sound.
Rising