Burial records for
https://dof.belfastcity.gov.uk/burialsearch/BurialSearch.aspx?GraveSection=D1&GraveNumber=156&CemeteryName=City Cemetery - Glenalina Extension
Samuel Cowan Boyd 3 10/12 Years 10 June 1935 13 June 1935 City Cemetery - Glenalina Extension View details (Address is given as 118 Urney Street)
Mary Boyd 79 Years 9 March 1941 12 March 1941 City Cemetery - Glenalina Extension View details ((Address is given as 118 Urney Street))
David Cowan Boyd 19 Years 24 October 1939 26 October 1939 City Cemetery - Glenalina Extension View details (Military Hospl Palace Bks Holywood 90 Urney St )
James West 49 Years 11 July 1930 14 July 1930 City Cemetery - Glenalina Extension View details (Mater Hospital 118 Urney St)
Unfortunately, the birth details for the above Samuel Cowan Boyd and David Cowan Boyd are too recent for the records to be online.
As for Mary Boyd - this is likely Mary Brown?
James West - his death certificate
might indicate his relationship with the family (The notifier could be listed as a relation