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).
Adriana is now well below its former popularity. All-time it's been given to 149,993 U.S. babies, the 527th most common name by sound today, peaking at 5,191 in 2006, with 1,179 in 2025.
By sound, Adriana also includes the spellings Adrianna, Audrianna.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).