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).
June
June has been climbing back after years of decline. All-time it's been given to 209,183 U.S. babies, the 402nd most common name by sound today, peaking at 6,723 in 1925, with 2,044 in 2025.
June has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).