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).
Beckham
Beckham has been climbing in recent years. All-time it's been given to 20,639 U.S. babies, the 382nd most common name by sound today, peaking at 2,243 in 2024, with 2,235 in 2025.
Beckham has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).