So "your" Catherines parents are James Steed and Elizabeth Owens who married in Kilmaurs in 1896.
In the 1901 census for Kilmaurs: James is 26 years, a Colliery Pit head man (born Wishaw, Lanarkshire), Elizabeth is 25 years (born Kilmaurs), and they have children: John 3 yrs, Elizabeth 2 yrs, Catherine 1 probably 1 month.
In the 1911 census for Kilmaurs: James is 36 and Elizabeth is 34. Children: John 13, Elizabeth 12, Catherine 10, Jane 7, Margaret 4, William 2.
James Stead was born 2 June 1874 in Wishaw Lanarkshire- birth registered Cambusnethan. His parents were John Steed (born about 1852 Ayrshire) and Catherine Kerr (born about 1852 Ireland) who married in 1872 in Dalmellington. The other children after 1st born James are: Thomas born about 1876, John born about 1879, Charles born about 1881, Ellen born about 1883, William born about 1887. The census shows James as a colliery worker.
Elizabeth Owens was born 1876 Kilmaurs. Her parents were William Owens (born about 1841 Kilmarnock) and Elizabeth Ross (born about 1845 Ayr). William Owens and Elizabeth Ross married 1871 Ayr. William Owens also worked at the colliery, as an engine man he died 13 Oct 1918 Kilmarnock.