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).
Owen
Owen climbed for decades and has been a steadily popular name ever since. All-time it's been given to 246,320 U.S. babies, the 54th most common name by sound today, peaking at 10,331 in 2016, with 7,223 in 2025.
Owen has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).