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).
Remington climbed for decades and has been a steadily popular name ever since. All-time it's been given to 34,095 U.S. babies, the 401st most common name by sound today, peaking at 2,495 in 2019, with 1,685 in 2025.
Remington has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).