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).
Milo
Milo has been climbing in recent years. All-time it's been given to 48,034 U.S. babies, the 216th most common name by sound today, peaking at 3,599 in 2022, with 3,365 in 2025.
By sound, Milo also includes the spellings Mylo.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).