I'm probably WAY late on this -- scanned thread and couldn't find previous entry nor in Summary so if already noted and/or discarded, my apologises...
1881 13 Arbour St. West Hamlet, London
Alexander Robertson Head
47 b. 1834 Scotland
Profession: Clerk in Ships Broker (think I saw this posted b/4)
Wife Isabella I. b. 1841 Scotland
Dau Alexandra A b. 1869 Camberwell Surrey
Son Gilbert C. b. 1873 So. Hackney Middlesex
Dau Isabella B b. 1879 Pooplar Middlesex
Unknown, Murray b. 1880 Poplar Middlesex
Unknown, Gilbert C b. 1880 Poplar Middlesex
Source: RG11/04/0475
Mile End Old Town, Western
22
Folio 67 Page 25
1881 Address: 80 Balsall Heath Rd., Edgbaston Warwickshire
John Robertson, Head, Married
Age in 1881: 38 Est. birth abt 1843
Where born: Scotland
Wife Clara b. 1843 Scotland
Dau, Clara b. 1866 Camberwell Surrey
Visitor, Edward Litchfield b. 1851 Stowe Radnorshire, Wales
Servant, George Shaw b. 1865 Sharmes Cross Warwickshire
Occupation: Coml Traveller (Wine & Spirit)
Source information: RG11/2954
Registration district: Kings Norton
Sub-registration district: Edgbaston
ED, institution, or vessel: 10
Folio: 35
Page: 63
Noting Scotland born Heads of House, Professions and both have dau b. in Camberwell in similar time frame as Allan Robertson.
kathy