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).
Ellen
Ellen is now well below its former popularity. All-time it's been given to 285,069 U.S. babies, the 1,363rd most common name by sound today, peaking at 6,049 in 1951, with 290 in 2025.
By sound, Ellen also includes the spellings Elin, Ellyn.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).