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).
Rita
Rita is now well below its former popularity. All-time it's been given to 293,846 U.S. babies, the 1,844th most common name by sound today, peaking at 6,839 in 1949, with 174 in 2025.
By sound, Rita also includes the spellings Reta.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).