There's an Emily Cousins b abt 1868 Wandsworth in the North Surrey District School, Anerley Road Penge as scholar.
The second and third entries here are the same Emily (are linked), possibly all three?
Wandsworth Board of Guardians
North Surrey School District, Anerley School: Register of children chargeable to the Guardians, 1867-1885
Cousins, Emily
Born - 1867 (1868 has been crossed out)
Parish/District sent from - B (Battersea?)
When admitted into W.H. - 22 Jan 1873
When sent to School - 4 Feb 1873
Orphan or deserted -
Parents/Relations - Father in WH
Destination of Child on leaving the School - Dischd. 11 Oct 1879 - In c/o Sister
Cousins, Emily
Born - 1867
Parish/District sent from - B
When admitted into W.H. - 4 Aug 1880
When sent to School - 13 Aug 1880
Orphan or deserted - oc
Parents/Relations - Father in Workhouse
Destination of Child on leaving the School - Dischd 14 April 1882 As servant to Mrs Beardwell, 15 Jasmine Grove, Penge
says Readmitted see page 80
Cousins, Emily
Born - 1867
Parish/District sent from - B
When admitted into W.H. - Retd from service 9 April 1883 See page 37
When sent to School -
Orphan or deserted -
Parents/Relations -
Destination of Child on leaving the School - Disd. 9 May 1882 To service with Mrs Haffenden, Clearwell Hse, Tudor Rd, Upp: Norwood
Haven't got anywhere with the uncle of Mary Iverson called James Fuller that Trish found