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).
Cataleya has been climbing in recent years. All-time it's been given to 16,735 U.S. babies, the 447th most common name by sound today, peaking at 1,988 in 2025, with 1,988 in 2025.
By sound, Cataleya also includes the spellings Kataleya.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).