My thanks to Helen( via private message) for suggesting possible 1881 Census address for Elizabeth Phillips nee Nathan:
RG 11 731 64 53(Crown copyright,TNA) 31 The Parade Lee Lewisham
Thomas A? V? Phillips H M 33 clerk in corn trade out of employment b Clerkenwell
Elizabeth Phillips sister in law 31 M b Spitalfields
2 assistants

The whereabouts of Thomas Richard Phillips, Elizabeth's husband in 1881 is yet to be identified.
Phillip