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).
Jocelyn
Jocelyn is now well below its former popularity. All-time it's been given to 153,916 U.S. babies, the 557th most common name by sound today, peaking at 8,302 in 2007, with 1,104 in 2025.
By sound, Jocelyn also includes the spellings Joselyn, Jocelynn, Jocelyne, Joselin, Joseline, Josselyn.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).