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).
Mariam
Mariam has been climbing in recent years. All-time it's been given to 32,405 U.S. babies, the 528th most common name by sound today, peaking at 1,458 in 2025, with 1,458 in 2025.
By sound, Mariam also includes the spellings Maryam.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).