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).
Gage
Gage is now well below its former popularity. All-time it's been given to 70,420 U.S. babies, the 1,224th most common name by sound today, peaking at 3,508 in 2009, with 269 in 2025.
By sound, Gage also includes the spellings Gauge, Gaige.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).