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).
Ronald
Ronald is now well below its former popularity. All-time it's been given to 1,086,091 U.S. babies, the 1,077th most common name by sound today, peaking at 34,972 in 1947, with 438 in 2025.
Ronald has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).