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).
Saylor has been climbing in recent years. All-time it's been given to 19,652 U.S. babies, the 443rd most common name by sound today, peaking at 1,740 in 2023, with 1,718 in 2025.
By sound, Saylor also includes the spellings Sailor.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).