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).
Mckenna
Mckenna is now well below its former popularity. All-time it's been given to 89,088 U.S. babies, the 445th most common name by sound today, peaking at 3,831 in 2005, with 1,365 in 2025.
By sound, Mckenna also includes the spellings Makenna, Makena, Mackenna, Mckennah.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).