1848 Birth:2531 Birth year of 1848 estimated based on age (3 years) in 1851 British census enumeration; birth place of St. Johns, Westminster, taken from same enumeration.

1848 Possible Birth Registration: Frederick George Gray, 1848 Q1 Jan-Mar, Westminster St. Margaret, London, Middlesex, v. 1, p. 432 (FreeBMD)

1849 Possible Birth Registration: Frederick Gray, 1849 Q2 Apr-Jun, Westminster St. Margaret, London, Middlesex, v. 1, p. 467 (FreeBMD)

1851 British Census:2531
Westminster St. Margaret, Middlesex (St. Stephen Ecclesiastical Parish)
Enumerated 30 March 1851
6 Coburg Row
Frederick Grey •• head of household, married, 29, bricklayer, born in Islington
Susannah •• wife, married, 23, born in Hike (i.e. Eyke), Suffolk Hike
Frederick •• son, 3, born in St. Johns Westminster
John •• son, 2, born in Hoxton
Edwin •• son, 10 months, born St. Margaret's Westminster

1861 British Census:2532
Middlesex, England (Westminster St. John the Evangelist)
Enumerated 7 April 1861
8 Douglas St.
Susan Ann Gray •• head, widow, 34, laundress, born in Shoreditch, Middlesex
Sarah Gilman •• sister, widow, 50, born at Windsor, Berkshire
Emma Gilman •• daughter, 22, unmarried, laundress, born in Westminster, Middlesex
Arthur Gilman •• son,10, born in Westminster, Middlesex
Frederick Gray •• son, 13, born in Westminster, Middlesex
John Gray •• son, 11, born in Shoreditch, Middlesex

1871 British Census:1798
London, England (St. John the Evangelist; St. Mary Ecclesiastical Parish; St. George Hanover Square Registration District)
Enumerated 2 April 1871
8 Douglas Street
Robert Brown •• head, married, 61, foreman vitriol works, born Bow, Middlesex
Susannah •• wife, married, 44, laundress, born Hoxton, Middlesex << mother Susan second married Robert Brown
Frederick Gray •• son, unmarried, 23, mason, born Westminster, Middlesex
John Gray •• son, unmarried, 22, mason, born Hoxton, Middlesex << to be married on 28 May 1871
George Gray •• son, 16, apprentice stone mason, born Westminster, Middlesex
Eleanor Fosdick •• visitor, unmarried, 20, dressmaker, born Eyke, Suffolk << to be married on 28 May 1871
William Easom •• lodger, married, 62, laborer, born Barnham, Cheshire
Caroline Easom •• wife, married, 52, laundress, born Glasgow, Scotland

1873 Possible Marriage Registration: Frederick Gray and Georgiana Amelia Kilpatrick, 1873 Q2 Apr-June, Shoreditch, London, Middlesex, v. 1c, p. 284 (FreeBMD)

1881 British Census:2711
London, England (St. George Hanover Square; Belgrave Sub-registration district; St. George Hanover Square Registration District)
Enumerated 3 April 1881
34 Sutherland St.
Frederick Grey •• head, married, male, 33, stonemaston, born Westminster, Middlesex
Georgina A. •• wife, married, female, 30, born Westminster, Middlesex
Charles H. •• son, male, 4, born Westminster, Middlesex.

1891 British Census:2707
Battersea, London, England (Parliamentary Borough: Clapton; Ecclesiastical Parish: St. Mary)
Enumerated 5 April 1891
39 Marney Road (family living in 4 rooms in building with unrelated family)
Frederick Gray •• head, married, 43, mason, employed, born Westminster, London
Georgiana •• wife, married, 40, born Westminster, London
Charles H. •• son, 14, machine boy, printer, born Westminster, London
Frederick R. H. •• son, 9, born Annerley, Surrey
Albert J. L. •• son, 1, born Battersea, Surrey

1901 British Census:2710
Battersea, London, England (Parliamentary Borough: Clapham; Ecclesiastical Parish: St. Barnabas)
Enumerated 31 March 1901
30 Forthbridge Road
Frederick Gray •• head, married, 53, male, stone mason, worker, born Westminster, London
Georgina A. •• wife, married, 50, female, born Westminster, London
Charles H. •• son, single, 24, male, printer compositor, worker, born Westminster, London
Frederick R. W. •• son, single, 19, male, stone mason, worker, born Annerley
Albert J. L. •• son, single, 11, male, born Battersea