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).
Lawrence is now well below its former popularity. All-time it's been given to 508,390 U.S. babies, the 906th most common name by sound today, peaking at 11,286 in 1952, with 683 in 2025.
By sound, Lawrence also includes the spellings Laurence, Lawerence.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).