In 1915 when his daughter, Annie, was born, Robert was recorded in her birth certificate as a shepherd, domicile Westhills, Cathkin, Rutherglen. It was he who informed the registrar, Alex. Wilson, at New Kilpatrick on 27 March 1915.
Robert married Mary KERR on 5 June 1914 in Lesser Public Hall, Bearsden, Dunbartonshire, Scotland. (Mary KERR was born about 1890 and died after 4 November 1932.)
Robert Forrest, a shepherd aged 35 and unmarried, resided at Canniesburn Cottages, New Kilpatrick. Both of his parents were deceased.