"Pegg, a servant, was brought by Elizabeth Littlefield in 1758." - Shelley, p. 153

It's unclear who this Elizabeth Littlefield was and what family she was part of. Bourne (p. 338) only mentions an Elizabeth Littlefield who was widowed in 1712; it seems unlikely that this is the same person.

Bibliography:

My Name is Wells - by Hope M. Shelley (2002)