governess at 2 redington Road Frognal Hampstead10 1881 census

Shown as unmarried, age 19 in 1881 census
1891 census Upper Terrace Hampstead St John RG 12 /106 88 page 13
Blanche BORTHWICK lodger age 20 Short hand writer cl. b London St Pancras

1901 Lordswell South Uckfield Rotherfield Crowborough RG 13/ 897 38 page 19
Visiting William H WHITE a retired civil servant at the Admiralty, and his daughter Maria Theodora age 31
Blanche J BORTHWICK S visitor 37 Assistant secretary in public library b St Pancras

From Andrews Newspaper Index (Ancestry.co.uk) “Borthwick - On June 30 1953, Blanche Jessie, last surviving daughter of the late Jamesd Arthur Borthwick and Mrs Borthwick of 23 Cumberland Road Acton W £ aged 91 years, Cremation at Golders Green tomorrow (Friday) at 2 p.pm” dated 3.7.1953