The Bent Cemetery Burial Records show the following, which may be useful:
REID, Mary H , age 48, Date of Burial 30 January 1948, 67 Bent St, Hamilton
REID, Mary Elizabeth age 83, Date of Burial 3 Dec 1940, 67 Bent St, Hamilton
ROSS, Robert, age 73, Date of Burial 15 March 1946, 18 Downie St, Hamilton
ROSS, Andrew T, age 19, Date of Burial 7 Dec 1923, Western Infirmary, Glasgow
ROSS, Jessie Thomson, age 21, Date of Burial 19 Sept 1899, Burnblea St, Hamilton
I had a look at the death certificate for Robert Ross, who is indeed your Robert.
Robert Ross, Plumber (Journeyman), widower of Agnes Paterson Harris, Found dead in bed at 7:25 am (Last seen alive March Twelfth 10:00 am), 18 Downie St, Hamilton. His parents are cited as Andrew Ross, Colliery Engine Keeper, and Jane Ross (maiden surname Whiteford). The cause of death was cardiovascular degeneration. The informant was J. W. R. Reid, daughter.
Cheers,
Rodeo