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).
Cassandra
Cassandra is now well below its former popularity. All-time it's been given to 234,481 U.S. babies, the 863rd most common name by sound today, peaking at 9,210 in 1993, with 692 in 2025.
By sound, Cassandra also includes the spellings Kassandra, Casandra, Kasandra, Cassondra.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).