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).
Omar
Omar has stayed fairly steady in American naming for generations. All-time it's been given to 115,817 U.S. babies, the 502nd most common name by sound today, peaking at 3,277 in 2007, with 1,403 in 2025.
By sound, Omar also includes the spellings Omer.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).