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).
Landry
Landry has stayed fairly steady in American naming for generations. All-time it's been given to 11,721 U.S. babies, the 1,176th most common name by sound today, peaking at 613 in 2016, with 508 in 2025.
Landry has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).