• [S77] Unknown author, Parish Register: Holy Trinity, Kings Court, York 1813-1837 (n.p.: n.pub., unknown publish date).
  • [S81] William Kelly, Death Certificate unknown number (9 Nov 1909 (age 75)), C Gray's Records, Sandhurst, Berkshire, England.
  • [S135] Unknown compiler, Devon, Rame Baptisms (n.p.: n.pub.).
  • [S341] 1900 Federal census, USA,.
  • [S458] Australian Marriage Index, 1788-1950, online http://www.ancestry.com/. Hereinafter cited as Australian Marriage Index, 1788-1950.
  • [S473] Buckland Brewer History Group, online http://bucklandbrewerhistorygroup.wordpress.com/. Hereinafter cited as Buckland Brewer History Group.
  • [S485] Victoria, Australia, Assisted and Unassisted Passenger Lists, 1839–1923, online www.ancestry.com. Hereinafter cited as Victoria, Australia, Assisted and Unassisted Passenger Lists, 1839–1923.
  • [S551] London, England, Marriages and Banns, 1754-1921, online http://www.ancestry.com/. Hereinafter cited as London, England, Marriages and Banns, 1754-1921.
  • [S637] Yorkshire Marriages - Borthwick Institute for Archives, University of York, online www.findmypast.co.uk. Hereinafter cited as Yorkshire, Marriages (Borthwik).
  • [S638] Yorkshire Baptisms - Bishops Transcripts - Borthwick Institute for Archives, University of York, online www.findmypast.co.uk. Hereinafter cited as Yorkshire, Baptisms (BT).
  • [S663] Western Australia Death index Transcription, online http://www.findmypast.co.uk/. Hereinafter cited as Western Australia Death index Transcription.
  • [S664] Australia Billion Graves cemetery index Transcription, online http://www.findmypast.co.uk/. Hereinafter cited as Australia Billion Graves cemetery index Transcription.
  • [S666] Devon Marriages (Plymouth and West Devon record Office), online http://www.findmypast.co.uk/. Hereinafter cited as Devon Marriages and Banns.
  • [S674] London Metropolitan Archives, Saint John, Chelsea, Register of marriages, online www.ancestry.com. Hereinafter cited as LMA marriages St John, Chelsea.
  • [S730] Yorkshire marriages, online www.findmypast.co.uk. Hereinafter cited as Yorkshire, marriages.
  • [S775] Rebecca Gray, Birth Certificate (6 June 1861), C Gray's Records, Sandhurst, Berkshire, England.
  • [S777] Louisa Gray, Birth Certificate (18 Sept 1859), C Gray's Records, Sandhurst, Berkshire, England.
  • [S780] John Henry Gray, Birth Certificate (3 Jun 1863), C Gray's Records, Sandhurst, Berkshire, England.
  • [S781] William Johnson Gray, Birth Certificate (13 jan 1858), C Gray's Records, Sandhurst, Berkshire, England.
  • [S782] Arthur Gray, Birth Certificate (10 May 1870), C Gray's Records, Sandhurst, Berkshire, England.
  • [S785] Charles Gray, Death Certificate (12 Dec 1907), C Gray's Records, Sandhurst, Berkshire, England.
  • [S787] Alice Gray, Birth Certificate (25 Nov 1851), C Gray's Records, Sandhurst, Berkshire, England.
  • [S792] Edwin Gray, Birth Certificate (12 Feb 1859), C Gray's Records, Sandhurst, Berkshire, England.
  • [S794] Jane Gray, Birth Certificate (15 Nov 1856), C Gray's Records, Sandhurst, Berkshire, England.
  • [S795] John Gatenby Gray, Death Certificate (12 November 1894), C Gray's Records, Sandhurst, Berkshire, England.
  • [S809] Alice Gray, Death Certificate (9th April 1852), C Gray's Records, Sandhurst, Berkshire, England.
  • [S817] Henry Gray, Birth Certificate (31st May 1868), C Gray's Records, Sandhurst, Berkshire, England.
  • [S820] Maria Gray, Birth Certificate (28th Jan 1858), C Gray's Records, Sandhurst, Berkshire, England.
  • [S821] Mary Gray, Birth Certificate (28th Jan 1858), C Gray's Records, Sandhurst, Berkshire, England.
  • [S823] Walter Gray, Birth Certificate (19 October 1863), C Gray's Records, Sandhurst, Berkshire, England.
  • [S827] Alfred Gray, Birth Certificate (31st December 1889), C Gray's Records, Sandhurst, Berkshire, England.
  • [S829] William Gray, Birth Certificate (12th October 1899), C Gray's Records, Sandhurst, Berkshire, England.
  • [S831] Walter Gray, Birth Certificate (22nd August 1904), C Gray's Records, Sandhurst, Berkshire, England.
  • [S836] Lily Gray, Birth Certificate (3rd June 1903), C Gray's Records, Sandhurst, Berkshire, England.
  • [S841] William Johnstone Gray, Death Certificate (13th April 1943), C Gray's Records, Sandhurst, Berkshire, England.
  • [S842] John Henry Gray, Death Certificate (15th November 1929), C Gray's Records, Sandhurst, Berkshire, England.
  • [S843] Ada Annie Gray, Birth Certificate (28th July 1872), C Gray's Records, Sandhurst, Berkshire, England.
  • [S844] Emma Gray, Birth Certificate (27th November 1874), C Gray's Records, Sandhurst, Berkshire, England.
  • [S845] Sarah Ann Gray, Birth Certificate (17th December 1865), C Gray's Records, Sandhurst, Berkshire, England.
  • [S846] Ann Gray, Birth Certificate (29th June 1861), C Gray's Records, Sandhurst, Berkshire, England.
  • [S853] Walter Gray, Death Certificate (4th October 1932), C Gray's Records, Sandhurst, Berkshire, England.
  • [S859] Devon Baptisms (Plymouth and West Devon record Office), online http://www.findmypast.co.uk/. Hereinafter cited as Devon Baptisms.
  • [S1010] Hannah Gray, Death Certificate unknown number (31 Oct 1865 (age 72)), C Gray's Records, Sandhurst, Berkshire, England. Hereinafter cited as D, Hannah Gray, 72, York 09D, 28, Q4, 1865.
  • [S1012] Episcopal Diocese of Newark; New Jersey; Church Records, 1800 - 1970, online www.ancestry.co.uk. Hereinafter cited as Episcopal Diocese of Newark; New Jersey; Church Records, 1800 - 1970.
  • [S1016] Yorkshire, Archbishop Of York Marriage Licences Index, 1613-1839 - Borthwick Institute for Archives, University of York, online www.findmypast.co.uk. Hereinafter cited as Yorkshire, Marriage Licenses (Borthwick).
  • [S1017] London Metropolitan Archives, Saint John, Chelsea, Register of Baptisms, online www.ancestry.com. Hereinafter cited as LMA Baptism St John, Chelsea.
  • [S1142] London, England, Marriages and Banns, 1754-1936, online http://www.ancestry.com/. Hereinafter cited as London, England, Marriages and Banns, 1754-1936.
  • [S1160] British Army Service Record: Richard Underhill: GBM_WO97_0476_098_001, British Army Service Record: Richard Underhill: GBM_WO97_0476_098_001 (Kew, London, England: The National Archives). Hereinafter cited as British Army Service Record: Richard Underhill: GBM_WO97_0476_098_001.
  • [S1174] 1885 New Jersey State census, USA,.
  • [S1248] Unknown author, "Message via MyHeritage re Kelly & Underhill," e-mail message from unknown author e-mail (unknown address) to Christopher Gray, January 20th, 2026. Hereinafter cited as "Message via MyHeritage re Kelly & Underhill."