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).
Jensen
Jensen has been climbing in recent years. All-time it's been given to 20,268 U.S. babies, the 582nd most common name by sound today, peaking at 1,288 in 2025, with 1,288 in 2025.
Jensen has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).