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).
Hank has been climbing in recent years. All-time it's been given to 16,984 U.S. babies, the 825th most common name by sound today, peaking at 776 in 2025, with 776 in 2025.
Hank has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).