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).
Maria
Maria is down from its peak but still widely used. All-time it's been given to 570,389 U.S. babies, the 249th most common name by sound today, peaking at 10,197 in 1964, with 2,893 in 2025.
Maria has no common alternate spellings by sound. Spellings sometimes heard the same way: Mariyah.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).