Hi
Search on Welsh Newspapers Online suggests that there were a number of people known as 'Welsh Harry Lauder' , but that THE ' W H R' was Alf Thomas, Swansea.
There is a marriage on Free BMD, John H Thomas to either Ann Taylor or Lavina B Woodward, Prestwich Registration District 8d 441 quarter ending March 1911. Also a baptism on, '1920 - 1922 - Lancashire OnLine Parish Clerk Project', 1920, born 1913 :
Baptism: 26 Feb 1920 St Stephen, Harpurhey, Lancashire, England
Margaret May Thomas - Child of John Hugh Thomas & Annie
Born: 10 May 1913
Abode: 53 Middlewood St.
Occupation: Music Hall Artist
Baptised by: J. H. Beeley
Register: Baptisms 1911 - 1929, Entry 1785
Source: LDS Film 2113187
Emyr