It looks as though Emma (born 2 May 1854) was baptised as Martha Emma Luxford at St Thomas Charterhouse, Finsbury, daughter of James & Mary Ann, on 2 April 1858.
Likely death as Emma Martha Blower in Holborn in 1897, aged 39.
Her husband appears to remarry as John James Blower in Holborn in 1899, confusingly to another Emma (Emma Esther Burt).