1891 census 55 Elfort Rd Islington RG12/177 page 38
Alfred BORTHWICK age 32 Marine Insurance broker.
Alice M mother widow age 60 born Holborn,
Alice E sister age 34 Photographic retoucher b St pancras
George S brother age 31 Civil servant Exchequer & Audit b St Pancras
Helen A sister 23 photographic retoucher b St Pancras311

1901 census 23 Cumberland Rd Acton Ealing RG13/1202 page 40
George S BORTHWICK S 41 clerk civil service b Kentish Town
Alice M BORTHWICK mother Wid 72 b Holborn
Alice E BORTHWICK sister S 44 b Kentish Town
Helen A BORTHWICK sister s 33 b Kentish Town
Jessie ROBERTS aunt S 67 own means b Islington