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).
Aubrielle has held a fairly steady level of use. All-time it's been given to 9,725 U.S. babies, the 1,345th most common name by sound today, peaking at 642 in 2016, with 284 in 2025.
By sound, Aubrielle also includes the spellings Abrielle.