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).
Oakley
Oakley has been climbing in recent years. All-time it's been given to 37,476 U.S. babies, the 181st most common name by sound today, peaking at 4,081 in 2023, with 3,684 in 2025.
By sound, Oakley also includes the spellings Oaklee, Oakleigh.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).