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).
Andre has been slowly declining from its former popularity. All-time it's been given to 141,799 U.S. babies, the 611th most common name by sound today, peaking at 2,659 in 1970, with 978 in 2025.
By sound, Andre also includes the spellings Andrei, Andree, Andrey.