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).
Wren
Wren has been climbing in recent years. All-time it's been given to 19,536 U.S. babies, the 389th most common name by sound today, peaking at 2,105 in 2022, with 1,827 in 2025.
By sound, Wren also includes the spellings Ren. Spellings sometimes heard the same way: Reine.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).