hi Bob ...
you had thought this a possible for Eliza Pearce wife of Richard Gynn Trease .
Christchurch, Marylebone (1861 Census RG9 85 54 p16)
George Paris Head age 35 cabman
Mary Paris Wife age 34
Eliza Paris Daughter age 9 b. abt 1852 Paddington Middx
Caroline Faulkner age 7 ) Nurse children
Joseph Faulkner age 4 )
I traced George the cabman back to 1851 ...

He is Definitely
George Paris b Hampshire 1826, he is a porter and living with Mary his wife and son John who is 7. They are living in ChristChurch Marylebone.
I have found this interesting family ...but the father is not a cabman, he is a gate porter. he has a daughter named Eliza Pearse , about the right age;
RG9/373 fol 152B p 3...have a look
Also I did find Eliza in 1871
North petherwin, Launceston , Devon
Eliza PEARCE unm 15 b Middlesex Westminster. She is working as a domestic servant for the Gregory family who hail from WARBSTOW and JACOBSTOW
deb
