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).
Zachariah
Zachariah has stayed fairly steady in American naming for generations. All-time it's been given to 46,169 U.S. babies, the 717th most common name by sound today, peaking at 1,281 in 2015, with 962 in 2025.
By sound, Zachariah also includes the spellings Zechariah, Zakaria, Zacaria, Zakharia.
Rising