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).
Riley
Riley climbed for decades and has been a steadily popular name ever since. All-time it's been given to 406,512 U.S. babies, the 20th most common name by sound today, peaking at 16,745 in 2008, with 10,098 in 2025.
By sound, Riley also includes the spellings Rylee, Ryleigh, Rylie, Reilly, Ryley, Rileigh, Rilee.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).