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).
Edith
Edith is now well below its former popularity. All-time it's been given to 271,705 U.S. babies, the 941st most common name by sound today, peaking at 7,877 in 1918, with 595 in 2025.
Edith has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).