Great Gransden
Livett-focused parish node
Great Gransden appears to function as a strong Livett parish. If the dominant written form there was already Livett, then later ambiguous entries may have had a higher chance of being recorded in that same spelling. In such a setting, the written survival of Livett may reflect both family continuity and parish-level orthographic reinforcement.
Whittlesey
Livett persistence with later branch relevance
Whittlesey is important because it appears in both parish-era and official-record discussions of the Livett branch. If Livett became the familiar local form there, the parish may have acted as a small spelling stronghold, preserving the written form more consistently than neighbouring places with weaker surname density.
Sussex and the South East
Large Levett density and possible spelling gravity
Where Levett was dense, especially in the South East, clerks may have been more likely to normalise uncertain or overlapping pronunciations toward Levett rather than Livett. In that sense, large Levett populations may have generated a kind of regional spelling gravity. The written record may therefore preserve the dominant local norm rather than every fine distinction in speech.