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).
Vera has been climbing back after years of decline. All-time it's been given to 149,854 U.S. babies, the 524th most common name by sound today, peaking at 3,934 in 1918, with 1,482 in 2025.
Vera has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).