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).
Angelo
Angelo climbed for decades and has been a steadily popular name ever since. All-time it's been given to 86,956 U.S. babies, the 613th most common name by sound today, peaking at 1,338 in 2007, with 1,124 in 2025.
Angelo has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).