The nearest I can get to the mother, Jane Cubbon - of daughter, Margaret 1866 Malew is -
Thomas Cubbon
Marriage 21 May 1835 Malew, Isle of Man
Spouse's Name Sarah Gordon
Children.
Sarah Cubbon christening: 11 June 1837 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
Jane Elizth Cubbon christening: 23 September 1838 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
Martha Cubbon christening: 15 April 1840 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
Margaret Cubbon christening:18 June 1842 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
Thomas Cubbin christening: 14 February 1844 Castletown, St Mary's, Isle of Man father: Thomas Cubbin mother: Sarah.
James Cubbin christening: 2 July 1845 Castletown, St Mary's, Isle of Man father: Thomas Cubbin mother: Sarah.
Elizth Cubbon christening: 20 June 1848 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
Jane Cubbon
christening: 27 February 1850 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
Theresa Cubbon christening: 28 September 1853 Castletown, St Mary's, Isle of Man father: Thomas Cubbon mother: Sarah.
William Thomas Cubbon birth: 2 December 1855 christening: 30 January 1856 father: Thomas Cubbon mother: Sarah.
Samuel Edward Cubbin christening: 7 April 1858 Castletown, St Mary's, Isle of Man
father: Thomas Cubbin mother: Sarah Cubbin.
1851 Census Malew, Castletown, Hope Street.
Thomas Cubbon Head 36 abt 1815 Male Castletown, Isle of Man.
Sarah Cubbon Wife 33 abt 1818 Female Castletown, Isle of Man.
Sarah Cubbon Daughter 13 abt 1838 Female Castletown, Isle of Man.
Martha Cubbon Daughter 10 abt1841 Female Castletown, Isle of Man.
James Cubbon Son 5 abt 1846 Male Castletown, Isle of Man.
Elizabeth Cubbon Daughter 3 abt 1848 Female Castletown, Isle of Man.
Jane Cubbon Daughter 1 abt 1850 Female Castletown, Isle of Man.
1861 Census, Douglas, Albert Street.
Tho Cubbon Head 48 abt 1813 Male Castletown Isle of Man.
Sarah Cubbon Wife 45 abt 1816 Female Castletown Isle of Man.
Sarah Cubbon Daughter 24 abt 1837 Female Castletown Isle of Man.
Elizabeth Cubbon Daughter Female Castletown Isle of Man.
Jane Cubbon Daughter 14 abt 1847 Female Castletown Isle of Man.
Louisa Cubbon Daughter 7 abt 1854 Female Castletown Isle of Man.
Jane Cubbon Daughter 9 abt 1852 Female Castletown Isle of Man.
Wm Cubbon Son 5 abt 1856 Male Castletown Isle of Man.
Edwd Cubbon Son 3 abt 1858 Male Castletown Isle of Man.
B Cubbon Lodger 47 abt 1814 Female Castletown Isle of Man.
Averil