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).
Ainsley
Ainsley is now well below its former popularity. All-time it's been given to 20,896 U.S. babies, the 991st most common name by sound today, peaking at 1,013 in 2014, with 629 in 2025.
Ainsley has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).