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).
Mia
Mia climbed for decades and has been a steadily popular name ever since. All-time it's been given to 318,681 U.S. babies, the 18th most common name by sound today, peaking at 15,239 in 2015, with 11,210 in 2025.
By sound, Mia also includes the spellings Miya. Spellings sometimes heard the same way: Miah.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).