"England and Wales Census, 1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XWMJ-9D6 : 3 August 2017), Thomas Mark Martin in household of James Scorer Martin, Tynemouth, East Howdon, Northumberland, England; from "1911 England and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 14, The National Archives of the UK, Kew, Surrey.
Reeves-4890 22:48, 9 April 2018 (EDT)
Source: S1 England & Wales births 1837-2006 - Findmypast Findmypast 8 NOV 2015 Time: 17:45:33
Source: S4 1911 Census for England & Wales - Findmypast Findmypast 10 NOV 2015 Time: 19:35:09
It may be possible to confirm family relationships with Thomas by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Thomas: