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).
Mateo
Mateo is one of the fastest-rising names in America right now. All-time it's been given to 160,277 U.S. babies, the 8th most common name by sound today, peaking at 13,944 in 2024, with 13,512 in 2025.
By sound, Mateo also includes the spellings Matteo.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).