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).
Donovan
Donovan is now well below its former popularity. All-time it's been given to 75,558 U.S. babies, the 849th most common name by sound today, peaking at 2,629 in 2003, with 681 in 2025.
By sound, Donovan also includes the spellings Donavan, Donavon.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).